{
    "id": "CVE-2002-0640",
    "published": "2002-07-03 04:00:00",
    "last_modified": "2026-06-16 21:57:50",
    "cvss_score": "10.0",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": null,
    "description": "Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).",
    "epss_score": "0.27323",
    "epss_percentile": "0.97998",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:03",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "openbsd",
            "product": "openssh"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "21578",
            "title": "OpenSSH 3.x - Challenge-Response Buffer Overflow (1)",
            "date": "2002-06-24",
            "url": "https://www.exploit-db.com/exploits/21578"
        },
        {
            "source": "exploit-db",
            "ref_id": "21579",
            "title": "OpenSSH 3.x - Challenge-Response Buffer Overflow (2)",
            "date": "2002-06-24",
            "url": "https://www.exploit-db.com/exploits/21579"
        }
    ],
    "refs_list": [
        "ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt",
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502",
        "http://marc.info/?l=bugtraq&m=102514371522793&w=2",
        "http://marc.info/?l=bugtraq&m=102514631524575&w=2",
        "http://marc.info/?l=bugtraq&m=102521542826833&w=2",
        "http://marc.info/?l=bugtraq&m=102532054613894&w=2",
        "http://www.cert.org/advisories/CA-2002-18.html",
        "http://www.debian.org/security/2002/dsa-134",
        "http://www.kb.cert.org/vuls/id/369347",
        "http://www.linuxsecurity.com/advisories/other_advisory-2177.html",
        "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040",
        "http://www.novell.com/linux/security/advisories/2002_024_openssh_txt.html",
        "http://www.openwall.com/lists/oss-security/2024/07/01/3",
        "http://www.osvdb.org/839",
        "http://www.redhat.com/support/errata/RHSA-2002-127.html",
        "http://www.redhat.com/support/errata/RHSA-2002-131.html",
        "http://www.securityfocus.com/bid/5093",
        "http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195",
        "ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt",
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502",
        "http://marc.info/?l=bugtraq&m=102514371522793&w=2",
        "http://marc.info/?l=bugtraq&m=102514631524575&w=2",
        "http://marc.info/?l=bugtraq&m=102521542826833&w=2",
        "http://marc.info/?l=bugtraq&m=102532054613894&w=2",
        "http://www.cert.org/advisories/CA-2002-18.html"
    ]
}