{"id":"CVE-2010-2020","aliases":["EUVD-2010-2040","GHSA-jxp6-x4gh-789p"],"status":"published","title":"sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through 8.1-PRERELEASE,...","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.","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00867,"percentile":0.58937,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2010-05-28T18:00:00Z","modified":"2026-06-16T23:19:49Z","exploits":[{"source":"exploitdb","id":"EDB-14002","title":"FreeBSD 8.0/7.3/7.2 - 'nfs_mount()' Local Privilege Escalation","type":"local","platform":"freebsd","date":"2010-06-23","verified":true,"url":"https://www.exploit-db.com/exploits/14002"},{"source":"exploitdb","id":"EDB-14003","title":"FreeBSD - 'mountnfs()' Denial of Service","type":"dos","platform":"freebsd","date":"2010-06-23","verified":true,"url":"https://www.exploit-db.com/exploits/14003"}],"products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Vendor Advisory"]},{"url":"http://www.exploit-db.com/exploits/14003","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://www.exploit-db.com/exploits/14002","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://securitytracker.com/id?1024039","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-2020"},{"url":"https://github.com/advisories/GHSA-jxp6-x4gh-789p"}],"sources":{"cve":[{"id":"CVE-2010-2020","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.","status":"published","published":"2010-05-28T18:00:00Z","modified":"2024-08-07T02:17:14.312Z","updated_at":"2026-11-02T14:33:27.354104Z"}],"euvd":[{"id":"EUVD-2010-2040","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.","status":"published","published":"2010-05-28T18:00:00Z","modified":"2024-08-07T02:17:14Z","updated_at":"2026-11-03T01:39:38.920426Z"}],"ghsa":[{"id":"GHSA-jxp6-x4gh-789p","title":"sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through 8.1-PRERELEASE,...","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.","status":"published","published":"2022-05-17T05:19:28Z","modified":"2023-01-28T05:03:41Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:01.600354Z"}],"nvd":[{"id":"CVE-2010-2020","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.","status":"published","published":"2010-05-28T18:30:01.55Z","modified":"2026-06-16T23:19:49.72Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:47.724369Z"}]}}