CVE-2016-4312

Name: CVE-2016-4312
Creator: NVD / NIST
Published: 2017-02-17T02:59:11.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.00%

Last modified Jun 17, 2026

CVE-2016-4312 is a vulnerability of currently unknown severity. 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 estimates a 6.00% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

6.00%

92.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Wso2	Identity Server	5.1.0

References

http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txtExploit, Third Party Advisory
http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlExploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539199/100/0/threaded
http://www.securityfocus.com/bid/92485Third Party Advisory, VDB Entry
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096Patch, Vendor Advisory
https://www.exploit-db.com/exploits/40239/Exploit, Third Party Advisory, VDB Entry
http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txtExploit, Third Party Advisory
http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlExploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539199/100/0/threaded
http://www.securityfocus.com/bid/92485Third Party Advisory, VDB Entry
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096Patch, Vendor Advisory
https://www.exploit-db.com/exploits/40239/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Feb 17, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4312?

How severe is CVE-2016-4312?

Severity scoring for CVE-2016-4312 is pending analysis. The EPSS model estimates a 6.00% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4312?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4312?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST