#VU80950 Authentication bypass using an alternate path or channel in TeamCity - CVE-2023-42793
Published: September 21, 2023 / Updated: August 22, 2025
Vulnerability identifier: #VU80950
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2023-42793
CWE-ID: CWE-288
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
TeamCity
TeamCity
Software vendor:
JetBrains s.r.o.
JetBrains s.r.o.
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an authentication bypass using an alternate path. A remote attacker can bypass authentication and execute arbitrary code on the system.
Remediation
Install updates from vendor's website.