CVE-2025-40549

SolarWinds Serv-U Path Restriction Bypass Vulnerability

CVSS 9.1 CRITICALEPSS 1.0%CWE-22

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.1EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Nov 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.

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

Affected products

SolarWinds · Serv-U

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References

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-3_release_notes.htm https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40549