CVE-2021-43199

Name: CVE-2021-43199
Creator: NVD / NIST
Published: 2021-11-09T15:15:09.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2021-43199 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In JetBrains TeamCity before 2021.1.2, permission checks in the Create Patch functionality are insufficient.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

In JetBrains TeamCity before 2021.1.2, permission checks in the Create Patch functionality are insufficient.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.65%

46.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Jetbrains	Teamcity	< 2021.1.2.

References

https://blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/Vendor Advisory
https://blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/Vendor Advisory

Timeline

Published: Nov 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43199?

In JetBrains TeamCity before 2021.1.2, permission checks in the Create Patch functionality are insufficient.

How severe is CVE-2021-43199?

CVE-2021-43199 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43199?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43199?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST