CVE-2021-35211

CVSS V2 High 10 CVSS V3 Critical 10
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.
Overview
  • CVE ID
  • CVE-2021-35211
  • Assigner
  • psirt@solarwinds.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-14T21:15:08
  • Last Modified Date
  • 2022-07-12T17:42:04
Weakness Enumerations
CWE URL
NVD-CWE-noinfo http://cwe.mitre.org/data/definitions/NVD-noinfo.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:* 1 OR 15.2.3
cpe:2.3:a:solarwinds:serv-u:15.2.3:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 10
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit Patch Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-35211
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35211
History
Created Old Value New Value Data Type Notes
2022-05-10 15:52:59 Added to TrackCVE
2022-12-05 06:13:19 2021-07-14T21:15Z 2021-07-14T21:15:08 CVE Published Date updated
2022-12-05 06:13:19 2022-07-12T17:42:04 CVE Modified Date updated
2022-12-05 06:13:19 Analyzed Vulnerability Status updated