Home / Vulnerabilities / CVE-2023-42793
CRITICAL SEVERITY Ransomware Linked
CVE-2023-42793 JetBrains · TeamCity

JetBrains TeamCity Authentication Bypass Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

92.91 %
Predictive Probability
Percentile Rank
99.8 th

Documented as more likely to be exploited than 99.8% of known CVEs.

Detection Date

Oct 04, 2023

Remediation Due

Oct 25, 2023

CISA Catalog Active

Threat Analysis

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

Remediation Directive

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

External Intelligence

https://blog.jetbrains.com/teamcity/2023/09/critical-security-issue-affecting-teamcity-on-premises-update-to-2023-05-4-now/

https://blog.jetbrains.com/teamcity/2023/09/critical-security-issue-affecting-teamcity-on-premises-update-to-2023-05-4-now/
NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-42793