{
    "id": "CVE-2001-1013",
    "published": "2001-09-12 04:00:00",
    "last_modified": "2026-06-16 21:55:24",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
    "cwe": null,
    "description": "Apache on Red Hat Linux with with the UserDir directive enabled generates different error codes when a username exists and there is no public_html directory and when the username does not exist, which could allow remote attackers to determine valid usernames on the server.",
    "epss_score": "0.65563",
    "epss_percentile": "0.99241",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:13:56",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "redhat",
            "product": "linux"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "21112",
            "title": "RedHat Linux 7.0 Apache - Remote Username Enumeration",
            "date": "2001-09-12",
            "url": "https://www.exploit-db.com/exploits/21112"
        }
    ],
    "refs_list": [
        "http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0083.html",
        "http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0087.html",
        "http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0094.html",
        "http://www.securityfocus.com/archive/1/213667",
        "http://www.securityfocus.com/bid/3335",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/7129",
        "http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0083.html",
        "http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0087.html",
        "http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0094.html",
        "http://www.securityfocus.com/archive/1/213667",
        "http://www.securityfocus.com/bid/3335",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/7129"
    ]
}