CVE-2023-42793

Published: Sep 19, 2023

Modified: Oct 21, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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

Vendor	Product	Versions
JetBrains	TeamCity	affected `0 - < 2023.05.4`

Weaknesses (CWE)

CWE-288

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.jetbrains.com/privacy-security/issues-fixed/

https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/

http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html

https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793

https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/

https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/

https://www.sonarsource.com/blog/teamcity-vulnerability/

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CVE-2023-42793

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References