CVE-2021-35211
Serv-U Remote Memory Escape Vulnerability
- Published
- Jul 14, 2021
- Updated
- Oct 21, 2025
- Assigning CNA
- SolarWinds
- Evidence observed
- Nov 3, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Oct 19, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
javascript/cves/2021/CVE-2021-35211.yaml
Nuclei TemplatesDeclared conditions
- verification: dsl($.matchers[*].type)
- CVE-2021-35211Exploit
Serv-U-FTP CVE-2021-35211 exploit
- CVE-2021-35211Exploit
Responsible use
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