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Vulnerabilities

Vulnerability · CVE-2024-27198

JetBrains TeamCity Authentication Bypass Vulnerability

Published Mar 4, 2024 · catalog updated Jun 17, 2026 · JetBrains TeamCity

Patch now

CVE-2024-27198 is in the CISA known-exploited catalog, due Mar 28, 2024. Confirm JetBrains TeamCity against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
99.94%
Remediation
Remediation guidance
Affected products
cpe jetbrains/teamcity · vendor JetBrains TeamCity

JetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions. VulnCheck canary evidence. Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe jetbrains/teamcityversion unspecified
  • vendor JetBrains TeamCityversion unspecified

How to fix CVE-2024-27198

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-27198 is in the CISA known-exploited catalog, due Mar 28, 2024. Confirm JetBrains TeamCity against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-288. EPSS 99.94%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 4, 2024 · Catalog

    Detected

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

  2. Mar 7, 2024 · CISA KEV

    Known exploited

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

  3. Mar 28, 2024 · CISA KEV

    Remediation due

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

  4. Jun 17, 2026 · Catalog

    Updated

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

Sources

  • AttackerKBCited referencehttps://attackerkb.com/topics/K3wddwP3IJ/cve-2024-27198#exploited-in-the-wild_e28f53e6-cf6f-4b91-89be-6cb19dfd4315

    AttackerKB link already published on the finding.

    attackerkb.com
  • CISA KEVConfirmed exploitationCVE-2024-27198

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2024-27198

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-27198

    30-day exploitation probability 99.9%

    first.org
  • Exploit DatabasePublic exploit reference52411

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/jetbrains_teamcity_rce_cve_2024_27198

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2024-27198

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

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2024-27198

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.