CVE-2024-27198
JetBrains TeamCity Authentication Bypass Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 March 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.94% probability · 100th percentile
- CISA KEV
- Listed 7 March 2024 · due 28 March 2024 · used in ransomware campaigns
- Weakness
- CWE-288
- Affected
- jetbrains/teamcity
- Source
- cve@jetbrains.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. 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
References
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrivePress/Media Coverage, Third Party Advisory
- https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrivePress/Media Coverage, Third Party Advisory
- https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27198US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.