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    CVE-2016-4312

    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.

    Published:Feb 16, 2017
    Last Modified:Apr 20, 2025
    EPS:Feb 16, 2017
    EPSS Score:0.05424
    CVSS Score:7.5

    Affected Products

    Vendor
    Wso2
    Product
    Identity Server

    Exploits

    http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txthttp://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlhttps://www.exploit-db.com/exploits/40239/http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txthttp://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlhttps://www.exploit-db.com/exploits/40239/https://www.exploit-db.com/exploits/40239

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High