gsd-2021-35211
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-35211",
"description": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.",
"id": "GSD-2021-35211"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-35211"
],
"details": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.",
"id": "GSD-2021-35211",
"modified": "2023-12-13T01:23:28.574544Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cisa.gov": {
"cveID": "CVE-2021-35211",
"dateAdded": "2021-11-03",
"dueDate": "2021-11-17",
"product": "SolarWinds nServ-U",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability.",
"vendorProject": "SolarWinds",
"vulnerabilityName": "SolarWinds Serv-U Remote Memory Escape Vulnerability"
},
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "psirt@solarwinds.com",
"DATE_PUBLIC": "2021-07-13T16:16:00.000Z",
"ID": "CVE-2021-35211",
"STATE": "PUBLIC",
"TITLE": "Serv-U Remote Memory Escape Vulnerability"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Serv-U Managed File Transfer Server and Serv-U Secured FTP ",
"version": {
"version_data": [
{
"platform": "Windows",
"version_affected": "\u003c",
"version_name": "SolarWinds Serv-U",
"version_value": "15.2.3 HF1"
}
]
}
}
]
},
"vendor_name": "SolarWinds"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "SolarWinds would like to thank the Microsoft Threat Intelligence Center (MSTIC) and Microsoft Offensive Security Research teams for reporting on the issue in a responsible manner."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": " Memory Escape Vulnerability in Solarwinds Serv-U "
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211",
"refsource": "MISC",
"url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
},
{
"name": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit",
"refsource": "MISC",
"url": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit"
}
]
},
"solution": [
{
"lang": "eng",
"value": "SolarWinds has released a hotfix 15.2.3 HF2 It is suggested to upgrade to the latest hotfix as soon as possible "
}
],
"source": {
"defect": [
"CVE-2021-35211"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "SolarWinds advises to disconnect Serv-U Server from internet until patched."
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "15.2.3",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:solarwinds:serv-u:15.2.3:-:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "psirt@solarwinds.com",
"ID": "CVE-2021-35211"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
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"value": "NVD-CWE-noinfo"
}
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]
},
"references": {
"reference_data": [
{
"name": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit",
"refsource": "MISC",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit"
},
{
"name": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211",
"refsource": "MISC",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 10.0,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 6.0
}
},
"lastModifiedDate": "2022-07-12T17:42Z",
"publishedDate": "2021-07-14T21:15Z"
}
}
}
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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.
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