{
    "id": "CVE-2016-4312",
    "published": "2017-02-17 02:59:11",
    "last_modified": "2026-06-17 00:47:19",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-611",
    "description": "XML external entity (XXE) vulnerability in the XACML flow feature in WSO2 Identity Server 5.1.0 before WSO2-CARBON-PATCH-4.4.0-0231 allows remote authenticated users with access to XACML features to read arbitrary files, cause a denial of service, conduct server-side request forgery (SSRF) attacks, or have unspecified other impact via a crafted XACML request to entitlement/eval-policy-submit.jsp.  NOTE: this issue can be combined with CVE-2016-4311 to exploit the vulnerability without credentials.",
    "epss_score": "0.05997",
    "epss_percentile": "0.93111",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-05 18:17:14",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "wso2",
            "product": "identity_server"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40239",
            "title": "WSO2 Identity Server 5.1.0 - Multiple Vulnerabilities",
            "date": "2016-08-16",
            "url": "https://www.exploit-db.com/exploits/40239"
        }
    ],
    "refs_list": [
        "http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txt",
        "http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.html",
        "http://www.securityfocus.com/archive/1/539199/100/0/threaded",
        "http://www.securityfocus.com/bid/92485",
        "https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096",
        "https://www.exploit-db.com/exploits/40239/",
        "http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txt",
        "http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.html",
        "http://www.securityfocus.com/archive/1/539199/100/0/threaded",
        "http://www.securityfocus.com/bid/92485",
        "https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096",
        "https://www.exploit-db.com/exploits/40239/"
    ]
}