What is CVE-2025-40548?

CVE-2025-40548 is a critical-severity vulnerability in Solarwinds Serv-u, classified under Improper Privilege Management. CVSS score: 9.1/10. Published 2025-11-18.

How severe is CVE-2025-40548?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Privilege escalation in Solarwinds Serv-u

CVE-2025-40548

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…

Vulnerability class: Privilege Escalation

EPSS: 0.001 (17.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Solarwinds Serv-u — versions SolarWinds Serv-U 15.5.2 and prior versions

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

Frequently asked questions

What is CVE-2025-40548?: CVE-2025-40548 is a critical-severity vulnerability in Solarwinds Serv-u, classified under Improper Privilege Management. CVSS score: 9.1/10. Published 2025-11-18.
How severe is CVE-2025-40548?: Critical severity. CVSS v3 base score is 9.1 out of 10.