What is CVE-2022-24340?

CVE-2022-24340 is a critical-severity vulnerability in Jetbrains Teamcity, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2022-02-25.

How severe is CVE-2022-24340?

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

XXE in Jetbrains Teamcity

CVE-2022-24340

In JetBrains TeamCity before 2021.2.1, XXE during the parsing of the configuration file was possible.

Vulnerability class: XXE (XML External Entity)

Published 2022-02-25 · 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: 0.010 (63.3th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Jetbrains Teamcity

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

blog.jetbrains.com (Vendor Advisory)
blog.jetbrains.com/blog/2022/02/08/jetbrains-security-bulletin-q4-2021/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-24340?: CVE-2022-24340 is a critical-severity vulnerability in Jetbrains Teamcity, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2022-02-25.
How severe is CVE-2022-24340?: Critical severity. CVSS v3 base score is 9.8 out of 10.