CVE-2024-27198
Critical 9.8 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- JetBrains TeamCity Authentication Bypass Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible
Metrics
- CVSS 3.1
-
9.8 (CRITICAL)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 100% (percentile: 100) as of 2 November 2026
- CWE
- CWE-288
Affected products
jetbrains: teamcity
References
- https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory
- https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-… Press/Media CoverageThird Party Advisory
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-… Press/Media CoverageThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024… US Government Resource