CVE-2021-43413 is a critical vulnerability affecting GNU Hurd before version 0.9 20210404-9. It allows an attacker to modify any files they can read due to a shared pager port when memory-mapping files. This flaw carries a high CVSS score of 8.8, indicating a severe impact with high confidentiality, integrity, and availability compromise, and can be trivially exploited for full root access. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.9.20210404-9CPE matchmatch criteria | cpe:2.3:a:gnu:hurd:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.