CVE-2016-20021 describes a critical vulnerability in Gentoo Portage versions prior to 3.0.47, specifically impacting the standalone emerge-webrsync utility. This flaw stems from a missing PGP signature validation during the download of .gpgsig files, allowing for the execution of untrusted code if emerge-webrsync is utilized. With a CVSS score of 9.8 (Critical), this vulnerability is easily exploitable over the network with low complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.0.47CPE matchmatch criteria | cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.