What is CVE-2020-27628?

CVE-2020-27628 is a medium-severity vulnerability in Jetbrains Teamcity. CVSS score: 4.3/10. Published 2020-11-16.

How severe is CVE-2020-27628?

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

Vulnerability in Jetbrains Teamcity

CVE-2020-27628

In JetBrains TeamCity before 2020.1.5, the Guest user had access to audit records.

Published 2020-11-16 · 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:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (53.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Jetbrains Teamcity

References

blog.jetbrains.com (Vendor Advisory)
blog.jetbrains.com/2020/11/16/jetbrains-security-bulletin-q3-2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-27628?: CVE-2020-27628 is a medium-severity vulnerability in Jetbrains Teamcity. CVSS score: 4.3/10. Published 2020-11-16.
How severe is CVE-2020-27628?: Medium severity. CVSS v3 base score is 4.3 out of 10.