What is CVE-2023-23764?

CVE-2023-23764 is a medium-severity vulnerability in Github Enterprise Server, classified under Incorrect Comparison. CVSS score: 4.8/10. Published 2023-07-27.

How severe is CVE-2023-23764?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Github Enterprise Server

CVE-2023-23764

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff within the GitHub pull request UI. To do so, an attacker would need write access to the repository. This vulnerability affected GitHub Enterprise Server versions 3.7.0 and above and was fixed in versions 3.7.9, 3.8.2, and 3.9.1. This vulnerability was reported via the GitHub Bug Bounty program.

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N.

Affected products

Github Enterprise Server — versions 3.7.0, 3.8.0, 3.9.0
Github Enterprise_server — versions 3.9.0

Weakness classification (CWE)

CWE-697 — Incorrect Comparison

References

product-cna@github.com (Release Notes)
product-cna@github.com (Release Notes)
product-cna@github.com (Release Notes)

Frequently asked questions

What is CVE-2023-23764?: CVE-2023-23764 is a medium-severity vulnerability in Github Enterprise Server, classified under Incorrect Comparison. CVSS score: 4.8/10. Published 2023-07-27.
How severe is CVE-2023-23764?: Medium severity. CVSS v3 base score is 4.8 out of 10.