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Vulnerabilities

Vulnerability · CVE-2024-23917

JetBrains TeamCity Authentication Bypass Using an Alternate Path or Channel

Published Oct 17, 2025 · catalog updated Oct 17, 2025 · JetBrains TeamCity

Patch now

CVE-2024-23917 is in the CISA known-exploited catalog. 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
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
54.01%
Remediation
Remediation guidance
Affected products
vendor JetBrains TeamCity

In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible VulnCheck canary evidence.

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.

  • vendor JetBrains TeamCityversion unspecified

How to fix CVE-2024-23917

What to do

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

Should you patch?

CVE-2024-23917 is in the CISA known-exploited catalog. 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 remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 54.01%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. 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. Oct 17, 2025 · VulnCheck KEV

    Detected

    In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible VulnCheck canary evidence.

  2. Oct 17, 2025 · CISA KEV

    Known exploited

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

Sources

  • CVE.orgVulnerability recordCVE-2024-23917

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-23917

    30-day exploitation probability 54.0%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2024-23917

    In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.