JetBrains TeamCity Authentication Bypass Vulnerability

Summary

CVECVE-2024-27198
StatePUBLISHED
AssignerUnknown
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-03-04 18:15:00 UTC
Updated2024-03-11 15:15:00 UTC
DescriptionJetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions.

Risk And Classification

EPSS: 0.930470000 probability, percentile 0.997890000 (date 2026-04-20)

CISA KEV: Listed on 2024-03-07; due 2024-03-28; ransomware use Known

Problem Types: NVD-CWE-Other

CISA Known Exploited Vulnerability

VendorJetBrains
ProductTeamCity
NameJetBrains TeamCity Authentication Bypass Vulnerability
Required ActionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Noteshttps://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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Jetbrains Teamcity All All All All

References

ReferenceSourceLinkTags
www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitati... www.darkreading.com
Fixed security issues www.jetbrains.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 150824 JetBrains TeamCity Authentication Bypass Vulnerability (CVE-2024-27198)
  • 379449 JetBrains TeamCity Multiple Authentication Bypass Vulnerabilities (TW-86500, TW-86502)
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