Serv-U
CVE-2023-40060: 2FA/MFA Bypass Vulnerability in Serv-U 15.4 and 15.4 Hotfix 1
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.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Serv-U 15.4 to 15.4 Hotfix 1 | Upgrade past 15.4 Hotfix 1 ; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.