CVE-2016-4312: wso2 identity_server
Vulnerability summary
CVE-2016-4312 is a high (CVSS 7.5) vulnerability in wso2 identity_server. EPSS estimates a 6.00% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities. 3 public exploits are recorded.
Timeline
- 16-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
6.00%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 6.00% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (hyp3rlinx.altervista.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
WSO2 Identity Server 5.1.0 - Multiple Vulnerabilities
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Wso21 product
- identity_server5.1.0
1 vendor · 1 product
References
6 links- docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096X Refsource CONFIRMPatchVendor Advisory
- hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txtX Refsource MISCExploitThird Party Advisory
- packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry