CVE-2023-42793 — JetBrains TeamCity Authentication Bypass Vulnerability
CVE-2023-42793: JetBrains TeamCity Authentication Bypass Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | JetBrains |
| Product | TeamCity |
| Date added | 2023-10-04 |
| Due date | 2023-10-25 |
| Ransomware campaign use | Known |
Description
JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.
Required action (CISA)
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
Weakness behind it
CISA records this vulnerability as an instance of CWE-288. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-42793
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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