Is CVE-2024-27198 in the CISA KEV catalog?

Yes. CVE-2024-27198 is on the CISA Known Exploited Vulnerabilities list, added 2024-03-07, and has known ransomware campaign use.

What is the CVSS severity of CVE-2024-27198?

CVE-2024-27198 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-27198?

CVE-2024-27198 has an EPSS score of 99.94% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2024-27198

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible

CWE-288

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

99.94%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

JetBrains TeamCity Authentication Bypass Vulnerability

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

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

Remediation due: 2024-03-28

Associated with ransomware campaigns

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.