CVE-2023-42793 KEV EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 100% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-10-25.
Description
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 99.99% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-288 |
| On CISA KEV | yes — remediate by 2023-10-25 |
| Public exploit | yes |
| Published | 2023-09-19 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | JetBrains TeamCity Authentication Bypass Vulnerability |
|---|---|
| Added | 2023-10-04 |
| Due | 2023-10-25 |
| Vendor / product | JetBrains / TeamCity |
| Ransomware use | known |
Affected (1)
| Vendor | Product |
|---|---|
| jetbrains | teamcity |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | JetBrains TeamCity 2023.05.3 - Remote Code Execution (RCE) | 2024-03-14 |
References
- http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html
- https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
- https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/
- https://www.jetbrains.com/privacy-security/issues-fixed/
- https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/
- https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/
- https://www.sonarsource.com/blog/teamcity-vulnerability/
- http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html
- https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
- https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/
- https://www.jetbrains.com/privacy-security/issues-fixed/
- https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/
- https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793
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