VULNERABILITY INTELLIGENCE
CVE-2010-2020
CVSS score6.9 MEDIUM
EPSS probability0.87%
CISA KEVNot currently listed
Published2010-05-28
Last modified2026-06-16
CVSS vectorAV:L/AC:M/Au:N/C:C/I:C/A:C
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.
Weakness classification
- CWE-20: Improper Input Validation