What is CVE-2021-22170?

CVE-2021-22170 is a medium-severity vulnerability in GitLab, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 6.2/10. Published 2021-12-06.

How severe is CVE-2021-22170?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in GitLab

CVE-2021-22170

Assuming a database breach, nonce reuse issues in GitLab 11.6+ allows an attacker to decrypt some of the database's encrypted content

Vulnerability class: POODLE (CVE-2014-3566)

Published 2021-12-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% 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

GitLab — versions >=11.6.0, <13.5.6, >=13.6.0, <13.6.4, >=13.7.0, <13.7.2

Weakness classification (CWE)

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

References

gitlab.com/gitlab-org/gitlab/-/issues/36855 (Exploit, Third Party Advisory, Issue Tracking)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22170.json (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-22170?: CVE-2021-22170 is a medium-severity vulnerability in GitLab, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 6.2/10. Published 2021-12-06.
How severe is CVE-2021-22170?: Medium severity. CVSS v3 base score is 6.2 out of 10.