CVE-2016-20021

In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2024-01-12

Last modified

2025-06-03

Weaknesses

CWE-347

Affected products

• Portage (Gentoo)

References

• https://bugs.gentoo.org/597800
• https://gitweb.gentoo.org/proj/portage.git/tree/NEWS
• https://wiki.gentoo.org/wiki/Portage