CVE-2013-4851 describes an authorization bypass vulnerability in the NFS server implementation within the FreeBSD kernel (versions 8.3 and 9.x through 9.1-RELEASE-p5). This flaw allows remote attackers to bypass file permissions on NFS filesystems by sending crafted requests that manipulate group information. With a CVSS score of 6.4, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, potentially leading to unauthorized access to confidential data and integrity compromise. 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 |
|---|---|---|---|
8.3CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:* | ||
9.1CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:9.1:*:*:*:*:*:*:* | ||
9.1CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:9.1:p4:*:*:*:*:*:* | ||
9.1CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:9.1:p5:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:N
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 0.4 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.