CVE-2025-40539

critical · 9.1

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. 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.

9.1

CVSS

0.4%

EPSS (exploit prob.)

38th

EPSS percentile

2026-02-24

Published

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

Weaknesses

CWE-704

Affected products

Vendor	Product	Affected versions
solarwinds	serv-u	< 15.5.4

Check a specific version with /api/v1/cve/match.

References

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40539

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-40539