CVE-2021-34561 (GCVE-0-2021-34561)
Vulnerability from cvelistv5
Published
2021-08-31 10:32
Modified
2024-09-17 01:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Summary
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target's browser.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ► | Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH |
Version: 3.0.8 < |
||||||
|
|||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T00:12:50.414Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2021-027"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "WHA-GW-F2D2-0-AS- Z2-ETH",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThanOrEqual": "3.0.8",
"status": "affected",
"version": "3.0.8",
"versionType": "custom"
}
]
},
{
"product": "WHA-GW-F2D2-0-AS- Z2-ETH.EIP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThanOrEqual": "3.0.8",
"status": "affected",
"version": "3.0.8",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated."
}
],
"datePublic": "2021-08-16T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-350",
"description": "CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-08-31T10:32:56",
"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"shortName": "CERTVDE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2021-027"
}
],
"solutions": [
{
"lang": "en",
"value": "No update available."
}
],
"source": {
"advisory": "VDE-2021-027",
"discovery": "INTERNAL"
},
"title": "A vulnerability in WirelessHART-Gateway \u003c= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding",
"workarounds": [
{
"lang": "en",
"value": "An external protective measure is required.\n\n* Minimize network exposure for affected products and ensure that they are not accessible via the Internet.\n* Isolate affected products from the corporate network.\n* If remote access is required, use secure methods such as virtual private networks (VPNs)."
}
],
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "info@cert.vde.com",
"DATE_PUBLIC": "2021-08-16T07:07:00.000Z",
"ID": "CVE-2021-34561",
"STATE": "PUBLIC",
"TITLE": "A vulnerability in WirelessHART-Gateway \u003c= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "WHA-GW-F2D2-0-AS- Z2-ETH",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "3.0.8",
"version_value": "3.0.8"
}
]
}
},
{
"product_name": "WHA-GW-F2D2-0-AS- Z2-ETH.EIP",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "3.0.8",
"version_value": "3.0.8"
}
]
}
}
]
},
"vendor_name": "Phoenix Contact"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cert.vde.com/en-us/advisories/vde-2021-027",
"refsource": "CONFIRM",
"url": "https://cert.vde.com/en-us/advisories/vde-2021-027"
}
]
},
"solution": [
{
"lang": "en",
"value": "No update available."
}
],
"source": {
"advisory": "VDE-2021-027",
"discovery": "INTERNAL"
},
"work_around": [
{
"lang": "en",
"value": "An external protective measure is required.\n\n* Minimize network exposure for affected products and ensure that they are not accessible via the Internet.\n* Isolate affected products from the corporate network.\n* If remote access is required, use secure methods such as virtual private networks (VPNs)."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2021-34561",
"datePublished": "2021-08-31T10:32:56.470840Z",
"dateReserved": "2021-06-10T00:00:00",
"dateUpdated": "2024-09-17T01:56:32.573Z",
"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.
- 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…