CVE-2021-20319 describes an improper signature verification vulnerability in coreos-installer, affecting Red Hat coreos-installer. An attacker could craft a malicious gzip installation image to bypass signature verification, leading to the installation of unsigned content. This vulnerability carries a high CVSS score of 7.8, indicating a high impact on confidentiality, integrity, and availability, with a local attack vector and user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.10.1CPE matchmatch criteria | cpe:2.3:a:redhat:coreos-installer:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.