{
    "id": "CVE-2010-2020",
    "published": "2010-05-28 18:30:01",
    "last_modified": "2026-06-16 23:19:49",
    "cvss_score": "6.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-20",
    "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.",
    "epss_score": "0.00867",
    "epss_percentile": "0.57633",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-13 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "freebsd",
            "product": "freebsd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "14002",
            "title": "FreeBSD 8.0/7.3/7.2 - 'nfs_mount()' Local Privilege Escalation",
            "date": "2010-06-23",
            "url": "https://www.exploit-db.com/exploits/14002"
        },
        {
            "source": "exploit-db",
            "ref_id": "14003",
            "title": "FreeBSD - 'mountnfs()' Denial of Service",
            "date": "2010-06-23",
            "url": "https://www.exploit-db.com/exploits/14003"
        }
    ],
    "refs_list": [
        "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",
        "http://securitytracker.com/id?1024039",
        "http://www.exploit-db.com/exploits/14002",
        "http://www.exploit-db.com/exploits/14003"
    ]
}