Back
CVE-2013-4851
The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through…
Medium6.4EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Weakness
Affected products
n/a
- affected n/a
References (3)
- http://svnweb.freebsd.org/base?view=revision&revision=244226 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FreeBSD-SA-13:08 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
- 61484 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2013-4851)Record last updated .