Is CVE-2023-42793 actively exploited?

Yes. CVE-2023-42793 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-42793 be exploited remotely?

The attack vector of CVE-2023-42793 has not been classified yet.

What is the CVSS score of CVE-2023-42793?

CVE-2023-42793 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-42793

HIGHCISA KEVIN THE WILD

CVE-2023-42793

Published: October 4, 2023

EPSS:92.91%probability of exploitation in 30 daysPercentile:99.8th

Official Description

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

NVD Source

CISA KEV Advisory

JetBrains TeamCity Authentication Bypass Vulnerability

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

Added to KEV: 2023-10-04Federal patch deadline: 2023-10-25⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on the TeamCity Server. This critical flaw enables an attacker to gain control of the server without authentication. The high EPSS score of 0.92913 indicates a very high likelihood of exploitation, making this an urgent vulnerability for TeamCity users.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its active use by threat actors. The remote and unauthenticated nature of the attack vector makes it extremely dangerous.

Recommended Action

JetBrains TeamCity users should apply the latest security updates and patches provided by JetBrains. It is also recommended to review and strengthen authentication mechanisms and network access controls for TeamCity servers.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-42793 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-42793 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.