What is CVE-2024-56351?

CVE-2024-56351 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2024-12-20.

How severe is CVE-2024-56351?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Jetbrains Teamcity

CVE-2024-56351

In JetBrains TeamCity before 2024.12 access tokens were not revoked after removing user roles

Published 2024-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (21.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

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

Frequently asked questions

What is CVE-2024-56351?: CVE-2024-56351 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2024-12-20.
How severe is CVE-2024-56351?: Medium severity. CVSS v3 base score is 6.3 out of 10.