CVE-2016-20021

—

CVSS 3.1

9.8 critical

EPSS

<1%p39

Published

Jan 12, 2024 (Jan 12, 2024)

Modified

Jun 17, 2026

Description

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.

Vendors: gentoo
Products: portage
Weakness: CWE-347
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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