What is CVE-2021-39913?

CVE-2021-39913 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2021-11-05.

How severe is CVE-2021-39913?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Information disclosure in GitLab

CVE-2021-39913

Accidental logging of system root password in the migration log in all versions of GitLab CE/EE before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows an attacker with local file system access to obtain system root-level privileges

Published 2021-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

GitLab — versions <14.2.6, 14.4.0, >=14.3, <14.3.4

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

gitlab.com/gitlab-org/gitlab/-/issues/28074 (Issue Tracking, Broken Link, Vendor Advisory)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39913.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-39913?: CVE-2021-39913 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2021-11-05.
How severe is CVE-2021-39913?: Medium severity. CVSS v3 base score is 4.4 out of 10.