CVE-2025-40548: A missing validation process exists in Serv U when abused, could give a malicious actor with access to admin…
CVE-2025-40548 · Severity: critical · CVSS 9.1 · Published 2025-11-18
A missing validation process exists in Serv U when abused, could give a malicious actor with access to admin privileges the ability to execute code.
This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.
No. Junglewise Threat Intelligence has no report of CVE-2025-40548 being exploited in the wild.
How severe is CVE-2025-40548?
Critical severity, with a CVSS score of 9.1, published 18 November 2025.
Which products and versions are affected?
SolarWinds Serv-U. The advisory does not name versions.
Is there a fix for CVE-2025-40548?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-40548?
Check whether you run SolarWinds Serv-U. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.