What is CVE-2021-22249?

CVE-2021-22249 is a medium-severity vulnerability in GitLab, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2021-08-23.

How severe is CVE-2021-22249?

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

Information disclosure in GitLab

CVE-2021-22249

A verbose error message in GitLab EE affecting all versions since 12.2 could disclose the private email address of a user invited to a group

Published 2021-08-23 · 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: 0.010 (60.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

GitLab — versions >=12.2, <13.12.9, >=14.0, <14.0.7, >=14.1, <14.1.2

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

gitlab.com/gitlab-org/gitlab/-/issues/331857 (Broken Link)
hackerone.com/reports/1204320 (Permissions Required, Third Party Advisory)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22249.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22249?: CVE-2021-22249 is a medium-severity vulnerability in GitLab, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2021-08-23.
How severe is CVE-2021-22249?: Medium severity. CVSS v3 base score is 4.3 out of 10.