CVE-2010-2020

Name: CVE-2010-2020
Creator: NVD / NIST
Published: 2010-05-28T18:30:01.55+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.87%

Last modified Jun 16, 2026

CVE-2010-2020 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.87%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Freebsd	Freebsd	7.2
Freebsd	Freebsd	8.0
Freebsd	Freebsd	8.1-prerelease

References

Timeline

Published: May 28, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-2020?

How severe is CVE-2010-2020?

Severity scoring for CVE-2010-2020 is pending analysis. The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2010-2020?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-2020?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST