What is CVE-2024-23917?

CVE-2024-23917 is a critical-severity vulnerability in Jetbrains Teamcity, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2024-02-06.

How severe is CVE-2024-23917?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-23917 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Jetbrains Teamcity

CVE-2024-23917

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

Published 2024-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.540 (99.0th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.537 · newest: 0.540 · change: +0.003

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

References

www.jetbrains.com/privacy-security/issues-fixed/ (Vendor Advisory)

Frequently asked questions

What is CVE-2024-23917?: CVE-2024-23917 is a critical-severity vulnerability in Jetbrains Teamcity, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2024-02-06.
How severe is CVE-2024-23917?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-23917 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.