{
    "id": "CVE-2002-0840",
    "published": "2002-10-11 04:00:00",
    "last_modified": "2026-06-16 21:58:14",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": null,
    "description": "Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.",
    "epss_score": "0.95087",
    "epss_percentile": "0.99861",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:14:05",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apache",
            "product": "http_server"
        },
        {
            "vendor": "oracle",
            "product": "application_server"
        },
        {
            "vendor": "oracle",
            "product": "database_server"
        },
        {
            "vendor": "oracle",
            "product": "oracle8i"
        },
        {
            "vendor": "oracle",
            "product": "oracle9i"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "21885",
            "title": "Apache 1.3/2.0.x - Server Side Include Cross-Site Scripting",
            "date": "2002-10-02",
            "url": "https://www.exploit-db.com/exploits/21885"
        }
    ],
    "refs_list": [
        "ftp://patches.sgi.com/support/free/security/advisories/20021105-02-I",
        "http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.html",
        "http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0003.html",
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530",
        "http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2",
        "http://marc.info/?l=bugtraq&m=103357160425708&w=2",
        "http://marc.info/?l=bugtraq&m=103376585508776&w=2",
        "http://online.securityfocus.com/advisories/4617",
        "http://www.apacheweek.com/issues/02-10-04",
        "http://www.debian.org/security/2002/dsa-187",
        "http://www.debian.org/security/2002/dsa-188",
        "http://www.debian.org/security/2002/dsa-195",
        "http://www.kb.cert.org/vuls/id/240329",
        "http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.php",
        "http://www.linuxsecurity.com/advisories/other_advisory-2414.html",
        "http://www.osvdb.org/862",
        "http://www.redhat.com/support/errata/RHSA-2002-222.html",
        "http://www.redhat.com/support/errata/RHSA-2002-243.html",
        "http://www.redhat.com/support/errata/RHSA-2002-244.html",
        "http://www.redhat.com/support/errata/RHSA-2002-248.html",
        "http://www.redhat.com/support/errata/RHSA-2002-251.html",
        "http://www.redhat.com/support/errata/RHSA-2003-106.html",
        "http://www.securityfocus.com/bid/5847",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/10241",
        "https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E"
    ]
}