{
    "id": "CVE-2011-2900",
    "published": "2011-08-05 21:55:08",
    "last_modified": "2026-06-16 23:32:12",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-119",
    "description": "Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir function in io_dir.c in Simple HTTPD (shttpd) 1.42 allows remote attackers to execute arbitrary code via an HTTP PUT request, as exploited in the wild in 2011.",
    "epss_score": "0.13256",
    "epss_percentile": "0.96276",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "shttpd",
            "product": "shttpd"
        },
        {
            "vendor": "valenok",
            "product": "mongoose"
        },
        {
            "vendor": "yassl",
            "product": "yasslews"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "17669",
            "title": "Simple HTTPd 1.42 - 'PUT' Remote Buffer Overflow",
            "date": "2011-08-15",
            "url": "https://www.exploit-db.com/exploits/17669"
        },
        {
            "source": "exploit-db",
            "ref_id": "17658",
            "title": "Simple HTTPd 1.42 - Denial of Servive",
            "date": "2011-08-12",
            "url": "https://www.exploit-db.com/exploits/17658"
        }
    ],
    "refs_list": [
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065273.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065505.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065537.html",
        "http://secunia.com/advisories/45464",
        "http://secunia.com/advisories/45902",
        "http://securityreason.com/securityalert/8337",
        "http://www.openwall.com/lists/oss-security/2011/08/03/5",
        "http://www.openwall.com/lists/oss-security/2011/08/03/9",
        "http://www.securityfocus.com/bid/48980",
        "https://code.google.com/p/mongoose/source/detail?r=556f4de91eae4bac40dc5d4ddbd9ec7c424711d0",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/68991",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065273.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065505.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065537.html",
        "http://secunia.com/advisories/45464",
        "http://secunia.com/advisories/45902",
        "http://securityreason.com/securityalert/8337",
        "http://www.openwall.com/lists/oss-security/2011/08/03/5",
        "http://www.openwall.com/lists/oss-security/2011/08/03/9",
        "http://www.securityfocus.com/bid/48980",
        "https://code.google.com/p/mongoose/source/detail?r=556f4de91eae4bac40dc5d4ddbd9ec7c424711d0",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/68991"
    ]
}