CVE-2024-27198

JetBrains TeamCity Authentication Bypass Vulnerability

n/a

CVSS

99.9%

EPSS (exploit prob.)

100.0%

EPSS percentile

Yes

Actively exploited

Yes

Ransomware use

2024-03-07

Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

Technique	Name	Relationship
T1190	Exploit Public-Facing Application	exploitation technique
T1059	Command and Scripting Interpreter	primary impact

Summary

JetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions.

Affected software

Vendor: JetBrains · Product: TeamCity

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in JetBrains

CVE	Name	EPSS	Exploited
CVE-2024-27199	JetBrains TeamCity Relative Path Traversal Vulnerability	100.0%	Yes
CVE-2023-42793	JetBrains TeamCity Authentication Bypass Vulnerability	100.0%	Yes

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