What is CVE-2021-43193?

CVE-2021-43193 is a critical-severity vulnerability in Jetbrains Teamcity. CVSS score: 9.8/10. Published 2021-11-09.

How severe is CVE-2021-43193?

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

Vulnerability in Jetbrains Teamcity

CVE-2021-43193

In JetBrains TeamCity before 2021.1.2, remote code execution via the agent push functionality is possible.

Published 2021-11-09 · 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: 0.020 (80.8th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: +0.000

Affected products

Jetbrains Teamcity

References

blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-43193?: CVE-2021-43193 is a critical-severity vulnerability in Jetbrains Teamcity. CVSS score: 9.8/10. Published 2021-11-09.
How severe is CVE-2021-43193?: Critical severity. CVSS v3 base score is 9.8 out of 10.