Vulnerability in Solarwinds Serv-u Managed File Transfer Server And Secured Ftp
CVE-2021-35211
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 Ser…
EPSS: 0.943 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Solarwinds Serv-u Managed File Transfer Server And Secured Ftp — versions SolarWinds Serv-U
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 (x_refsource_MISC)
- www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-tar… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-35211?
- CVE-2021-35211 is a critical-severity vulnerability in Solarwinds Serv-u Managed File Transfer Server And Secured Ftp. CVSS score: 9.0/10. Published 2021-07-14.
- How severe is CVE-2021-35211?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2021-35211 known to be exploited?
- Yes. CVE-2021-35211 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 16 public proof-of-concept repositories are indexed.