CVE-2023-42793

9.8 CRITICAL CISA KEV - Actively Exploited
Published: September 19, 2023 Modified: October 24, 2025

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
Source: cve@jetbrains.com
Third Party Advisory
https://www.jetbrains.com/privacy-security/issues-fixed/
Source: cve@jetbrains.com
Vendor Advisory
https://www.sonarsource.com/blog/teamcity-vulnerability/
Source: cve@jetbrains.com
Exploit Third Party Advisory
http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.jetbrains.com/privacy-security/issues-fixed/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/
Source: af854a3a-2127-422b-91ae-364da2661108
Press/Media Coverage
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
92.9%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-10-25

Weaknesses (CWE)

Affected Vendors

jetbrains