[ CVE-2024-27198 · Published 4 Mar 2024 ]
JetBrains TeamCity Authentication Bypass Vulnerability
Exploited · CISA KEV CVSS 9.8
EPSS 100%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-03-07
- Known to be used in ransomware campaigns
- EPSS: 100% chance of exploitation in the next 30 days (higher than 100% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official description
In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible
CISA: JetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 28 Mar 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-und…Press/Media CoverageThird Party Advisory
- www.jetbrains.com/privacy-security/issues-fixedVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource