CVE-2021-40084 is a critical vulnerability affecting opensysusers through version 0.6, including its implementation in Artix Linux. It stems from the unsafe use of 'eval' on files in sysusers.d, allowing command execution via crafted shell metacharacters, specifically within the GECOS field. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.6CPE matchmatch criteria | cpe:2.3:a:artixlinux:opensysusers:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.