CVE-2021-28506 (GCVE-0-2021-28506)
Vulnerability from cvelistv5
Published
2022-01-14 19:04
Modified
2024-09-16 22:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-285 - Improper Authorization
Summary
An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Arista Networks | EOS |
Version: 4.26.2F < Version: 4.25.5.1M < Version: 4.25.4M < Version: 4.25.3 < Version: 4.24.7M < |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T21:47:32.674Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "EOS",
"vendor": "Arista Networks",
"versions": [
{
"lessThanOrEqual": "4.26.0",
"status": "affected",
"version": "4.26.2F",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.25.5",
"status": "affected",
"version": "4.25.5.1M",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.25.4",
"status": "affected",
"version": "4.25.4M",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.25.0",
"status": "affected",
"version": "4.25.3",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.24.2F",
"status": "affected",
"version": "4.24.7M",
"versionType": "custom"
}
]
}
],
"datePublic": "2022-01-11T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "CWE-285 Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-01-14T19:04:50.000Z",
"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
"shortName": "Arista"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071"
}
],
"solutions": [
{
"lang": "en",
"value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release. \nCVE-2021-28506 has been fixed in the following releases:\n4.26.3M and later releases in the 4.26.x train\n4.25.6M and later releases in the 4.25.x train\n4.25.4.1M and later releases in the 4.25.4.x train\n4.24.8M and later releases in the 4.24.x train"
}
],
"source": {
"advisory": "71",
"defect": [
"BUG",
"606192"
],
"discovery": "EXTERNAL"
},
"title": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.",
"workarounds": [
{
"lang": "en",
"value": "No mitigation options available"
},
{
"lang": "en",
"value": "To mitigate CVE-2021-28506 with the continued use of the affected agents, a hotfix employing a proxy service can be deployed. The proxy is configured behind the gNMI/gNOI or RESTCONF server. The hotfix can be downloaded at https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.i386.swix for 32 bit systems and https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.x86_64.swix for 64 bit systems."
}
],
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@arista.com",
"DATE_PUBLIC": "2022-01-11T22:22:00.000Z",
"ID": "CVE-2021-28506",
"STATE": "PUBLIC",
"TITLE": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device."
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "EOS",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "4.26.2F",
"version_value": "4.26.0"
},
{
"version_affected": "\u003c=",
"version_name": "4.25.5.1M",
"version_value": "4.25.5"
},
{
"version_affected": "\u003c=",
"version_name": "4.25.4M",
"version_value": "4.25.4"
},
{
"version_affected": "\u003c=",
"version_name": "4.25.3",
"version_value": "4.25.0"
},
{
"version_affected": "\u003c=",
"version_name": "4.24.7M",
"version_value": "4.24.2F"
}
]
}
}
]
},
"vendor_name": "Arista Networks"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-285 Improper Authorization"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071",
"refsource": "MISC",
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071"
}
]
},
"solution": [
{
"lang": "en",
"value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release. \nCVE-2021-28506 has been fixed in the following releases:\n4.26.3M and later releases in the 4.26.x train\n4.25.6M and later releases in the 4.25.x train\n4.25.4.1M and later releases in the 4.25.4.x train\n4.24.8M and later releases in the 4.24.x train"
}
],
"source": {
"advisory": "71",
"defect": [
"BUG",
"606192"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "en",
"value": "No mitigation options available"
},
{
"lang": "en",
"value": "To mitigate CVE-2021-28506 with the continued use of the affected agents, a hotfix employing a proxy service can be deployed. The proxy is configured behind the gNMI/gNOI or RESTCONF server. The hotfix can be downloaded at https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.i386.swix for 32 bit systems and https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.x86_64.swix for 64 bit systems."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
"assignerShortName": "Arista",
"cveId": "CVE-2021-28506",
"datePublished": "2022-01-14T19:04:50.282Z",
"dateReserved": "2021-03-16T00:00:00.000Z",
"dateUpdated": "2024-09-16T22:09:48.017Z",
"state": "PUBLISHED"
},
"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…