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CVE-2024-27198: JetBrains TeamCity Authentication Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2024-27198
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
JetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions.

CSIRTS triage

vendor: JetBrainsproduct: TeamCityAuthentication bypass
What
An authentication bypass vulnerability allows an attacker to perform admin actions.
Who is affected
Users of JetBrains TeamCity are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-03-07
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-27198

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-27198coverage & exploitation statusNVD · CVE.org

Recent advisories for JetBrains TeamCity Authentication

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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