{"id":"CVE-2016-4312","aliases":["EUVD-2016-5312","GHSA-rx7g-4gvj-h8m6"],"status":"published","title":"XML external entity (XXE) vulnerability in the XACML flow feature in WSO2 Identity Server 5.1.0...","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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.05997,"percentile":0.93373,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-611"],"published":"2017-02-16T18:00:00Z","modified":"2026-06-17T00:47:19Z","exploits":[{"source":"exploitdb","id":"EDB-40239","title":"WSO2 Identity Server 5.1.0 - Multiple Vulnerabilities","type":"webapps","platform":"jsp","date":"2016-08-16","verified":true,"url":"https://www.exploit-db.com/exploits/40239"}],"products":[{"vendor":"wso2","product":"identity_server"}],"references":[{"url":"https://www.exploit-db.com/exploits/40239/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/archive/1/539199/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/92485","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4312"},{"url":"https://www.exploit-db.com/exploits/40239"},{"url":"https://github.com/advisories/GHSA-rx7g-4gvj-h8m6"}],"sources":{"cve":[{"id":"CVE-2016-4312","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.","status":"published","published":"2017-02-16T18:00:00Z","modified":"2024-08-06T00:25:14.366Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5312","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.","status":"published","published":"2017-02-16T18:00:00Z","modified":"2024-08-06T00:25:14Z","updated_at":"2026-11-03T02:22:46.750795Z"}],"ghsa":[{"id":"GHSA-rx7g-4gvj-h8m6","title":"XML external entity (XXE) vulnerability in the XACML flow feature in WSO2 Identity Server 5.1.0...","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.","status":"published","published":"2022-05-14T02:46:18Z","modified":"2025-04-20T03:34:03Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T15:01:41.326693Z"}],"nvd":[{"id":"CVE-2016-4312","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.","status":"published","published":"2017-02-17T02:59:11.953Z","modified":"2026-06-17T00:47:19.787Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:03:35.822579Z"}]}}