CVE-2024-27198: JetBrains TeamCity Authentication Bypass Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

JetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://www.jetbrains.com/help/teamcity/teamcity-2023-11-4-release-notes.html; https://blog.jetbrains.com/teamcity/2024/03/additional-critical-security-issues-affecting-teamcity-on-premises-cve-2024-27198-and-cve-2024-27199-update-to-2023-11-4-now/ ; https://nvd.nist.gov/vuln/detail/CVE-2024-27198

Weakness behind it

CISA records this vulnerability as an instance of CWE-288. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-27198
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog