What is CVE-2023-34219?

CVE-2023-34219 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Improper Authorization. CVSS score: 4.3/10. Published 2023-05-31.

How severe is CVE-2023-34219?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jetbrains Teamcity

CVE-2023-34219

In JetBrains TeamCity before 2023.05 improper permission checks allowed users without appropriate permissions to edit Build Configuration settings via REST API

Published 2023-05-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (26.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2023-34219?: CVE-2023-34219 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Improper Authorization. CVSS score: 4.3/10. Published 2023-05-31.
How severe is CVE-2023-34219?: Medium severity. CVSS v3 base score is 4.3 out of 10.