What is CVE-2021-22864?

CVE-2021-22864 is a high-severity vulnerability in Github Enterprise_server, classified under Command Injection. CVSS score: 8.8/10. Published 2021-03-23.

How severe is CVE-2021-22864?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Github Enterprise_server

CVE-2021-22864

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration options used by GitHub Pages were not sufficiently restricted and mad…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.025 (82.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Github Enterprise_server
Github Enterprise Server — versions 2.21, 2.22, 3.0

Weakness classification (CWE)

CWE-77 — Command Injection

References

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-2021-22864?: CVE-2021-22864 is a high-severity vulnerability in Github Enterprise_server, classified under Command Injection. CVSS score: 8.8/10. Published 2021-03-23.
How severe is CVE-2021-22864?: High severity. CVSS v3 base score is 8.8 out of 10.