CVE-2023-42793

high-risk
Published 2023-09-19

In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible

Do I need to act?

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92.9% chance of exploitation in next 30 days
EPSS score — higher than 7% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
51884
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Jetbrains

References (14)

Exploit http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-R...
Third Party Advisory https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
Vendor Advisory https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mo...
Vendor Advisory https://www.jetbrains.com/privacy-security/issues-fixed/
Broken Link https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authenti...
Press/Media Coverage https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-t...
Exploit https://www.sonarsource.com/blog/teamcity-vulnerability/
Exploit http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-R...
Third Party Advisory https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
Vendor Advisory https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mo...
Vendor Advisory https://www.jetbrains.com/privacy-security/issues-fixed/
Broken Link https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authenti...
Press/Media Coverage https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-t...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal