JetBrains TeamCity Authentication Bypass Vulnerability

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2023-42793
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-09-19 17:15:00 UTC
Updated2023-10-03 15:44:00 UTC
DescriptionIn JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible

Risk And Classification

EPSS: 0.929130000 probability, percentile 0.997700000 (date 2026-04-01)

CISA KEV: Listed on 2023-10-04; due 2023-10-25; ransomware use Known

Problem Types: CWE-288

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://blog.jetbrains.com/teamcity/2023/09/critical-security-issue-affecting-teamcity-on-premises-update-to-2023-05-4-now/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-42793

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Jetbrains Teamcity All All All All

References

DescriptionSourceURLTags
http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html MISC http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html
https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793 MISC https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/ MISC https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/
https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/ MISC https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/
https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/ MISC https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/
https://www.jetbrains.com/privacy-security/issues-fixed/ MISC https://www.jetbrains.com/privacy-security/issues-fixed/
CVE Program record CVE.ORG https://www.cve.org/CVERecord?id=CVE-2023-42793 canonical
NVD vulnerability detail NVD https://nvd.nist.gov/vuln/detail/CVE-2023-42793 canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev

Legacy QID Mappings

  • 378885 JetBrains TeamCity Authentication Bypass Vulnerability
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