CVE-2002-0820 describes a vulnerability in FreeBSD kernel 4.6 and earlier where file descriptors 0, 1, and 2, when assigned to procfs or linprocfs, are improperly closed and then reopened to /dev/null. This flaw allows local users to potentially reuse these critical file descriptors within setuid or setgid programs. The vulnerability carries a CVSS score of 7.2 (High), indicating a local attack vector with low complexity, and a complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.6CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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.