What is CVE-2021-22215?

CVE-2021-22215 is a high-severity vulnerability in GitLab. CVSS score: 7.5/10. Published 2021-06-08.

How severe is CVE-2021-22215?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in GitLab

CVE-2021-22215

An information disclosure vulnerability in GitLab EE versions 13.11 and later allowed a project owner to leak information about the members' on-call rotations in other projects

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

GitLab — versions >=13.11, <13.11.5, >=13.12, <13.12.2

References

gitlab.com/gitlab-org/gitlab/-/issues/328668 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22215.json (Third Party Advisory)

Frequently asked questions

What is CVE-2021-22215?: CVE-2021-22215 is a high-severity vulnerability in GitLab. CVSS score: 7.5/10. Published 2021-06-08.
How severe is CVE-2021-22215?: High severity. CVSS v3 base score is 7.5 out of 10.