What is CVE-2021-22236?

CVE-2021-22236 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2021-08-25.

How severe is CVE-2021-22236?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Gitlab

CVE-2021-22236

Due to improper handling of OAuth client IDs, new subscriptions generated OAuth tokens on an incorrect OAuth client application. This vulnerability is present in GitLab CE/EE since version 14.1.

Vulnerability class: Broken Access Control

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Gitlab — versions >=14.1, <14.1.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22236?: CVE-2021-22236 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2021-08-25.
How severe is CVE-2021-22236?: Medium severity. CVSS v3 base score is 5.5 out of 10.