TeamCity Server Auth Bypass -> RCE before 2023.05.4
CVE-2023-42793 Published on September 19, 2023
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
Known Exploited Vulnerability
This JetBrains TeamCity Authentication Bypass Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.
The following remediation steps are recommended / required by October 25, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2023-42793 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.
Products Associated with CVE-2023-42793
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Affected Versions
JetBrains TeamCity:- Before 2023.05.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.