{"cve":"CVE-2010-2020","nvd":{"published":"2010-05-28T18:30:01.550","modified":"2026-06-16T23:19:49.720","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc","http://securitytracker.com/id?1024039","http://www.exploit-db.com/exploits/14002","http://www.exploit-db.com/exploits/14003","http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc"],"products":["freebsd:freebsd"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-2020","score":0.00867,"percentile":0.58723,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}