CVEvulnerability
CVE-2023-42793
CISA Known Exploited Vulnerability
JetBrains TeamCity Authentication Bypass Vulnerability — JetBrains TeamCity
JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.
- Added to KEV
- 2023-10-04
- Remediation due
- 2023-10-25
- Ransomware use
- Known
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Notes
- https://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
- Status
- Analyzed
- Published
- 2023-09-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-288, CWE-306
Description
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
Affected configurations
• jetbrains teamcity (< 2023.05.4)
Related
References
- http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793 Third Party Advisory
- https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/ Vendor Advisory
- https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory
- https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/ Broken Link, Third Party Advisory
- https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/ Press/Media Coverage
- https://www.sonarsource.com/blog/teamcity-vulnerability/ Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793 Third Party Advisory
- https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/ Vendor Advisory
- https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory
- https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/ Broken Link, Third Party Advisory
- https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/ Press/Media Coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793 US Government Resource