{
    "id": "CVE-2010-1938",
    "published": "2010-05-28 18:30:01",
    "last_modified": "2026-06-16 23:19:37",
    "cvss_score": "9.3",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-189",
    "description": "Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.",
    "epss_score": "0.21900",
    "epss_percentile": "0.97577",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "freebsd",
            "product": "freebsd"
        },
        {
            "vendor": "nrl",
            "product": "opie"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "12762",
            "title": "FreeBSD 8.0 - 'ftpd' (FreeBSD-SA-10:05) Off-By-One (PoC)",
            "date": "2010-05-27",
            "url": "https://www.exploit-db.com/exploits/12762"
        }
    ],
    "refs_list": [
        "http://blog.pi3.com.pl/?p=111",
        "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932",
        "http://secunia.com/advisories/39963",
        "http://secunia.com/advisories/39966",
        "http://secunia.com/advisories/45136",
        "http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc",
        "http://securityreason.com/achievement_securityalert/87",
        "http://securityreason.com/securityalert/7450",
        "http://securitytracker.com/id?1024040",
        "http://securitytracker.com/id?1025709",
        "http://site.pi3.com.pl/adv/libopie-adv.txt",
        "http://www.debian.org/security/2011/dsa-2281",
        "http://www.exploit-db.com/exploits/12762",
        "http://www.securityfocus.com/bid/40403",
        "http://blog.pi3.com.pl/?p=111",
        "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932",
        "http://secunia.com/advisories/39963",
        "http://secunia.com/advisories/39966",
        "http://secunia.com/advisories/45136",
        "http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc",
        "http://securityreason.com/achievement_securityalert/87",
        "http://securityreason.com/securityalert/7450",
        "http://securitytracker.com/id?1024040",
        "http://securitytracker.com/id?1025709",
        "http://site.pi3.com.pl/adv/libopie-adv.txt"
    ]
}