CVE-2021-30858 (GCVE-0-2021-30858)
Vulnerability from cvelistv5
Published
2021-08-24 18:49
Modified
2025-10-21 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
References
Impacted products
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2021-11-03
Due date: 2021-11-17
Required action: Apply updates per vendor instructions.
Used in ransomware: Unknown
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-30858
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T22:48:13.458Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT212804"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT212807"
},
{
"name": "20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/27"
},
{
"name": "20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/25"
},
{
"name": "20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/29"
},
{
"name": "[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/09/20/1"
},
{
"name": "FEDORA-2021-c00e45b6c0",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/"
},
{
"name": "20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/38"
},
{
"name": "20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/39"
},
{
"name": "DSA-4975",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2021/dsa-4975"
},
{
"name": "DSA-4976",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2021/dsa-4976"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://support.apple.com/kb/HT212824"
},
{
"name": "20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/50"
},
{
"name": "FEDORA-2021-edf6957b7d",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/"
},
{
"name": "[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/26/9"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/1"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/2"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/4"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2021-30858",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-29T17:31:17.221055Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2021-11-03",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30858"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:25:37.307Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30858"
}
],
"timeline": [
{
"lang": "en",
"time": "2021-11-03T00:00:00.000Z",
"value": "CVE-2021-30858 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "11.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "iOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "14.8",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-10-27T20:06:21.000Z",
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://support.apple.com/en-us/HT212804"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://support.apple.com/en-us/HT212807"
},
{
"name": "20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/27"
},
{
"name": "20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/25"
},
{
"name": "20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/29"
},
{
"name": "[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/09/20/1"
},
{
"name": "FEDORA-2021-c00e45b6c0",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/"
},
{
"name": "20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/38"
},
{
"name": "20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/39"
},
{
"name": "DSA-4975",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2021/dsa-4975"
},
{
"name": "DSA-4976",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2021/dsa-4976"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.apple.com/kb/HT212824"
},
{
"name": "20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/50"
},
{
"name": "FEDORA-2021-edf6957b7d",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/"
},
{
"name": "[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/26/9"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/1"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/2"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/4"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "product-security@apple.com",
"ID": "CVE-2021-30858",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "macOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "11.6"
}
]
}
},
{
"product_name": "iOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "14.8"
}
]
}
}
]
},
"vendor_name": "Apple"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited."
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://support.apple.com/en-us/HT212804",
"refsource": "MISC",
"url": "https://support.apple.com/en-us/HT212804"
},
{
"name": "https://support.apple.com/en-us/HT212807",
"refsource": "MISC",
"url": "https://support.apple.com/en-us/HT212807"
},
{
"name": "20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/27"
},
{
"name": "20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/25"
},
{
"name": "20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/29"
},
{
"name": "[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/09/20/1"
},
{
"name": "FEDORA-2021-c00e45b6c0",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/"
},
{
"name": "20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/38"
},
{
"name": "20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/39"
},
{
"name": "DSA-4975",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4975"
},
{
"name": "DSA-4976",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4976"
},
{
"name": "https://support.apple.com/kb/HT212824",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT212824"
},
{
"name": "20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/50"
},
{
"name": "FEDORA-2021-edf6957b7d",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/"
},
{
"name": "[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/10/26/9"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/1"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/2"
},
{
"name": "[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/10/27/4"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"cveId": "CVE-2021-30858",
"datePublished": "2021-08-24T18:49:23.000Z",
"dateReserved": "2021-04-13T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:25:37.307Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2021-30858",
"cwes": "[\"CWE-416\"]",
"dateAdded": "2021-11-03",
"dueDate": "2021-11-17",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-30858",
"product": "iOS, iPadOS, and macOS",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Apple iOS, iPadOS, and macOS WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.",
"vendorProject": "Apple",
"vulnerabilityName": "Apple iOS, iPadOS, macOS Use-After-Free Vulnerability"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://support.apple.com/en-us/HT212804\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://support.apple.com/en-us/HT212807\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/27\", \"name\": \"20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/25\", \"name\": \"20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/29\", \"name\": \"20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/20/1\", \"name\": \"[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/\", \"name\": \"FEDORA-2021-c00e45b6c0\", \"tags\": [\"vendor-advisory\", \"x_refsource_FEDORA\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/38\", \"name\": \"20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/39\", \"name\": \"20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\", \"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2021/dsa-4975\", \"name\": \"DSA-4975\", \"tags\": [\"vendor-advisory\", \"x_refsource_DEBIAN\", \"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2021/dsa-4976\", \"name\": \"DSA-4976\", \"tags\": [\"vendor-advisory\", \"x_refsource_DEBIAN\", \"x_transferred\"]}, {\"url\": \"https://support.apple.com/kb/HT212824\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/50\", \"name\": \"20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/\", \"name\": \"FEDORA-2021-edf6957b7d\", \"tags\": [\"vendor-advisory\", \"x_refsource_FEDORA\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/26/9\", \"name\": \"[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/1\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/2\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/4\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T22:48:13.458Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-30858\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-29T17:31:17.221055Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2021-11-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30858\"}}}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2021-11-03T00:00:00.000Z\", \"value\": \"CVE-2021-30858 added to CISA KEV\"}], \"references\": [{\"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30858\", \"tags\": [\"government-resource\"]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-01-29T17:26:09.066Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"Apple\", \"product\": \"macOS\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"11.6\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Apple\", \"product\": \"iOS\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"14.8\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://support.apple.com/en-us/HT212804\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://support.apple.com/en-us/HT212807\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/27\", \"name\": \"20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/25\", \"name\": \"20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/29\", \"name\": \"20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/20/1\", \"name\": \"[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/\", \"name\": \"FEDORA-2021-c00e45b6c0\", \"tags\": [\"vendor-advisory\", \"x_refsource_FEDORA\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/38\", \"name\": \"20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/39\", \"name\": \"20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\"]}, {\"url\": \"https://www.debian.org/security/2021/dsa-4975\", \"name\": \"DSA-4975\", \"tags\": [\"vendor-advisory\", \"x_refsource_DEBIAN\"]}, {\"url\": \"https://www.debian.org/security/2021/dsa-4976\", \"name\": \"DSA-4976\", \"tags\": [\"vendor-advisory\", \"x_refsource_DEBIAN\"]}, {\"url\": \"https://support.apple.com/kb/HT212824\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/50\", \"name\": \"20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5\", \"tags\": [\"mailing-list\", \"x_refsource_FULLDISC\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/\", \"name\": \"FEDORA-2021-edf6957b7d\", \"tags\": [\"vendor-advisory\", \"x_refsource_FEDORA\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/26/9\", \"name\": \"[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/1\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/2\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/4\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.\"}]}], \"providerMetadata\": {\"orgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"shortName\": \"apple\", \"dateUpdated\": \"2021-10-27T20:06:21.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"11.6\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"macOS\"}, {\"version\": {\"version_data\": [{\"version_value\": \"14.8\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"iOS\"}]}, \"vendor_name\": \"Apple\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://support.apple.com/en-us/HT212804\", \"name\": \"https://support.apple.com/en-us/HT212804\", \"refsource\": \"MISC\"}, {\"url\": \"https://support.apple.com/en-us/HT212807\", \"name\": \"https://support.apple.com/en-us/HT212807\", \"refsource\": \"MISC\"}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/27\", \"name\": \"20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6\", \"refsource\": \"FULLDISC\"}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/25\", \"name\": \"20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8\", \"refsource\": \"FULLDISC\"}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/29\", \"name\": \"20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2\", \"refsource\": \"FULLDISC\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/09/20/1\", \"name\": \"[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005\", \"refsource\": \"MLIST\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/\", \"name\": \"FEDORA-2021-c00e45b6c0\", \"refsource\": \"FEDORA\"}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/38\", \"name\": \"20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8\", \"refsource\": \"FULLDISC\"}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/39\", \"name\": \"20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6\", \"refsource\": \"FULLDISC\"}, {\"url\": \"https://www.debian.org/security/2021/dsa-4975\", \"name\": \"DSA-4975\", \"refsource\": \"DEBIAN\"}, {\"url\": \"https://www.debian.org/security/2021/dsa-4976\", \"name\": \"DSA-4976\", \"refsource\": \"DEBIAN\"}, {\"url\": \"https://support.apple.com/kb/HT212824\", \"name\": \"https://support.apple.com/kb/HT212824\", \"refsource\": \"CONFIRM\"}, {\"url\": \"http://seclists.org/fulldisclosure/2021/Sep/50\", \"name\": \"20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5\", \"refsource\": \"FULLDISC\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/\", \"name\": \"FEDORA-2021-edf6957b7d\", \"refsource\": \"FEDORA\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/26/9\", \"name\": \"[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"refsource\": \"MLIST\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/1\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"refsource\": \"MLIST\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/2\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"refsource\": \"MLIST\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/10/27/4\", \"name\": \"[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006\", \"refsource\": \"MLIST\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-30858\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"product-security@apple.com\"}}}}",
"cveMetadata": "{\"cveId\": \"CVE-2021-30858\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-21T23:25:37.307Z\", \"dateReserved\": \"2021-04-13T00:00:00.000Z\", \"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"datePublished\": \"2021-08-24T18:49:23.000Z\", \"assignerShortName\": \"apple\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…