CVE-2021-35211

nvd nist nuclei

Published: Jul 14, 2021Modified: Oct 27, 2025CISA KEV

10.0

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 6.0

Source: NVD

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.

Affected (3)

Products: Solarwinds: Serv U

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Solarwinds Serv U	Before 15.2.3
Solarwinds Serv U	Version 15.2.3
Solarwinds Serv U	Version 15.2.3 hotfix1

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (5)

https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit

Source: psirt@solarwinds.com

PatchVendor Advisory

https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211

Source: psirt@solarwinds.com

PatchVendor Advisory

https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35211

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.