What is CVE-2021-22863?

CVE-2021-22863 is a high-severity vulnerability in Github, classified under Improper Authorization. CVSS score: 8.1/10. Published 2021-03-03.

How severe is CVE-2021-22863?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Github

CVE-2021-22863

An improper access control vulnerability was identified in the GitHub Enterprise Server GraphQL API that allowed authenticated users of the instance to modify the maintainer collaboration permission of a pull request without proper authori…

EPSS: 0.010 (57.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Github
Github Enterprise Server — versions 2.20, 2.21, 2.22

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

product-cna@github.com (x_refsource_MISC)
product-cna@github.com (x_refsource_MISC)
product-cna@github.com (x_refsource_MISC)
product-cna@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-22863?: CVE-2021-22863 is a high-severity vulnerability in Github, classified under Improper Authorization. CVSS score: 8.1/10. Published 2021-03-03.
How severe is CVE-2021-22863?: High severity. CVSS v3 base score is 8.1 out of 10.