Servers and applications
CVE-2023-42793
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 4 Oct 2023.
- Severity
- Critical 9.8
- Published
- 19 Sept 2023
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 2023.05.4
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
TeamCityServers and applications · cpe:a:jetbrains:teamcity |
|
Known exploited
- CISA name
- JetBrains TeamCity Authentication Bypass Vulnerability
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Due for US agencies
- 25 Oct 2023
- Used in ransomware
- Yes, known