CVE-2010-2020

high

Description

sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through 8.1-PRERELEASE, when vfs.usermount is enabled, does not validate the length of a certain fhsize parameter, which allows local users to gain privileges via a crafted mount request.

References

http://www.exploit-db.com/exploits/14003

http://www.exploit-db.com/exploits/14002

http://securitytracker.com/id?1024039

http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc

Details

Source: Mitre, NVD

Published: 2010-05-28

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00416