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

What is CVE-2023-40060?

CVE-2023-40060 is a high-severity authentication bypass vulnerability in Solarwinds Serv-U, published on 7 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-284

Which versions are affected by CVE-2023-40060?

It affects 1 product.

Products include Solarwinds Serv-U.

How do I fix CVE-2023-40060?

No fix has been published for CVE-2023-40060 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-40060 being exploited?

There is no known exploitation of CVE-2023-40060 in the wild and no public exploit code.

Other vulnerabilities in Solarwinds Serv-U

• CVE-2021-35211 SolarWinds Serv-U Remote Code Execution Exploited Critical 9.0
• CVE-2024-28995 SolarWinds Serv-U Path Traversal Vulnerability Exploited High 8.6
• CVE-2026-28318 SolarWinds Serv-U Uncontrolled Resource Consumption Exploited High 7.5
• CVE-2021-35247 SolarWinds Serv-U Improper Input Validation Exploited Medium 4.3
• CVE-2020-35481 Code injection in n/a Critical 9.8

All Solarwinds Serv-U vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6rhf-2wcr-r3rx.