What is CVE-2021-37546?

CVE-2021-37546 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2021-08-06.

How severe is CVE-2021-37546?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Jetbrains Teamcity

CVE-2021-37546

In JetBrains TeamCity before 2021.1, an insecure key generation mechanism for encrypted properties was used.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2021-08-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Jetbrains Teamcity

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

blog.jetbrains.com/blog/2021/08/05/jetbrains-security-bulletin-q2-2021/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-37546?: CVE-2021-37546 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2021-08-06.
How severe is CVE-2021-37546?: Medium severity. CVSS v3 base score is 5.3 out of 10.