Authentication bypass vulnerabilities in TeamCity: everything you need to know

This advisory highlights critical authentication bypass vulnerabilities affecting JetBrains TeamCity servers, specifically identified as CVE-2024-27198 and CVE-2024-27199. CVE-2024-27198 carries a critical CVSS score of 9.8, allowing attackers to bypass authentication mechanisms potentially leading to unauthorized access and code execution. CVE-2024-27199 presents a high severity risk with a score of 7.3. These vulnerabilities pose a significant threat to software supply chain integrity and development environments relying on TeamCity for continuous integration and deployment. Immediate mitigation is required to prevent compromise. Organizations are urged to detect and mitigate these flaws by applying vendor patches immediately. Failure to address these vulnerabilities could result in full server compromise, data exfiltration, and downstream supply chain attacks. Security teams should prioritize asset inventory and patch management protocols to secure build infrastructure against exploitation attempts targeting these specific authentication weaknesses.

Detect and mitigate CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score: 7.3), authentication bypass vulnerabilities in JetBrains TeamCity.

This advisory highlights critical authentication bypass vulnerabilities affecting JetBrains TeamCity servers, specifically identified as CVE-2024-27198 and CVE-2024-27199. CVE-2024-27198 carries a critical CVSS score of 9.8, allowing attackers to bypass authentication mechanisms potentially leading to unauthorized access and code execution. CVE-2024-27199 presents a high severity risk with a score of 7.3. These vulnerabilities pose a significant threat to software supply chain integrity and development environments relying on TeamCity for continuous integration and deployment. Immediate mitigation is required to prevent compromise. Organizations are urged to detect and mitigate these flaws by applying vendor patches immediately. Failure to address these vulnerabilities could result in full server compromise, data exfiltration, and downstream supply chain attacks. Security teams should prioritize asset inventory and patch management protocols to secure build infrastructure against exploitation attempts targeting these specific authentication weaknesses. Detect and mitigate CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score: 7.3), authentication bypass vulnerabilities in JetBrains TeamCity. Detect and mitigate CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score: 7.3), authentication bypass vulnerabilities in JetBrains TeamCity.