CVE-2010-2020 describes a local privilege escalation vulnerability in the NFS client of FreeBSD versions 7.2 through 8.1-PRERELEASE. When vfs.usermount is enabled, the kernel fails to validate the length of an fhsize parameter during a crafted mount request. This flaw carries a CVSS score of 6.9, indicating high severity with local access, medium attack complexity, and complete confidentiality, integrity, and availability impacts. While not listed on the CISA KEV catalog, exploit code for local privilege escalation is publicly available on ExploitDB, and the vulnerability has garnered significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:* | ||
7.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:* | ||
7.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:7.2:stable:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:* | ||
8.1-prereleaseCPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:8.1-prerelease:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.