CVE-2023-42793: JetBrains TeamCity Authentication Bypass Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 100.0%, 100th percentilePublished Updated Assigner: JetBrains
In CISA’s Known Exploited Vulnerabilities catalog: JetBrains TeamCity Authentication Bypass Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · CWE-288
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
JetBrains: TeamCity
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution… (opens in new tab)
- attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793 (opens in new tab)
- blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/ (opens in new tab)
- www.jetbrains.com/privacy-security/issues-fixed/ (opens in new tab)
- www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypas… (opens in new tab)
- www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/ (opens in new tab)
- www.sonarsource.com/blog/teamcity-vulnerability/ (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)