CVE-2023-40060: 2FA/MFA Bypass Vulnerability in Serv-U 15.4 and 15.4 Hotfix 1

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-07 · updated 2026-06-17
Weakness: CWE-284

Description

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: 15.4.0, 15.4.0-hotfix1

References

https://support.solarwinds.com/SuccessCenter/s/article/Serv-U-15-4-0-Hotfix-2?language=en_US
https://www.solarwinds.com/trust-center/security-advisories/CVE-2023-40060
https://support.solarwinds.com/SuccessCenter/s/article/Serv-U-15-4-0-Hotfix-2?language=en_US
https://www.solarwinds.com/trust-center/security-advisories/CVE-2023-40060

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