sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through…
Priority LOW 32CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00867 58th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:* | 7.2 pre-release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.2:stable:*:*:*:*:*:* | 7.2 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:8.1-prerelease:*:*:*:*:*:*:* | 8.1-prerelease | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:* Versions 7.2 pre-release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.2:stable:*:*:*:*:*:* Versions 7.2 stable Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:8.1-prerelease:*:*:*:*:*:*:* Versions 8.1-prerelease Vulnerable ·FreeBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2020
- 2026-10-03 Alias added: GHSA-jxp6-x4gh-789p
References
Advisory 1
More Freebsd vulnerabilities
- TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
- TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
- TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
Sources
- CVE-2010-2020 · CVE Program
- CVE-2010-2020 · NVD
- FIRST EPSS
- GHSA-jxp6-x4gh-789p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences