CVE-2024-27198 JetBrains TeamCity Authentication Bypass

Exploited in the wild Critical 9.8 Published Updated

Attackers can bypass authentication to perform admin actions in JetBrains TeamCity, requiring an upgrade to secure the CI/CD pipeline.

Exploited in the wild
Since 7 Mar 2024
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-27198?

CVE-2024-27198 is a critical authentication bypass vulnerability in Jetbrains Teamcity, published on 4 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible

Weakness: CWE-288

Which versions are affected by CVE-2024-27198?

It affects 1 product.

Products include Jetbrains Teamcity.

How do I fix CVE-2024-27198?

No fix has been published for CVE-2024-27198 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 28 Mar 2024.

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

Is CVE-2024-27198 being exploited?

Yes. Attackers have exploited CVE-2024-27198 in the wild since at least 7 Mar 2024, including in ransomware campaigns.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry, 1 Nuclei template and 20 proofs of concept on GitHub.

All Jetbrains Teamcity vulnerabilities

Sources

Also known as GHSA-xh94-49wq-7h2h.

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