Actively exploited · Published Mar 4, 2024 · Assigned by JetBrains
CVE-2024-27198
Critical 9.8 Exploited Ransomware
In plain English
A critical-severity authentication bypass in TeamCity from JetBrains. Attackers are actively exploiting it in the wild (listed by CISA on March 7, 2024). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 99.9% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Mar 28, 2024.
Official description
In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible
Affected products (as reported)
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H