What is CVE-2022-23739?

CVE-2022-23739 is a critical-severity vulnerability in GitHub Enterprise Server, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-01-17.

How severe is CVE-2022-23739?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in GitHub Enterprise Server

CVE-2022-23739

An incorrect authorization vulnerability was identified in GitHub Enterprise Server, allowing for escalation of privileges in GraphQL API requests from GitHub Apps. This vulnerability allowed an app installed on an organization to gain access to and modify most organization-level resources that are not tied to a repository regardless of granted permissions, such as users and organization-wide projects. Resources associated with repositories were not impacted, such as repository file content, repository-specific projects, issues, or pull requests. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.7.1 and was fixed in versions 3.3.16, 3.4.11, 3.5.8, 3.6.4, 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.

Vulnerability class: Broken Access Control

EPSS: 0.012 (66.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Github Enterprise_server — versions 3.7.0
Github Enterprise Server — versions 3.3, 3.4, 3.5

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

Frequently asked questions

What is CVE-2022-23739?: CVE-2022-23739 is a critical-severity vulnerability in GitHub Enterprise Server, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-01-17.
How severe is CVE-2022-23739?: Critical severity. CVSS v3 base score is 9.8 out of 10.