CVE-2023-40060: SolarWinds Serv-U

High severity, CVSS 7.2. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been identified within Serv-U 15.4 and 15.4 Hotfix 1 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action. 15.4.  SolarWinds found that the issue was not completely fixed in 15.4 Hotfix 1. 

Affected products

• SolarWinds Serv-U: version 15.4.0 only

Published 2023-09-07. Last modified 2026-06-17.