XXE in Wso2 Identity Server
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.060 (93.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000
Affected products
- Wso2 Identity Server — versions 5.1.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/40239/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securityfocus.com/archive/1/539199/100/0/threaded (mailing-list)
- www.securityfocus.com/bid/92485 (VDB Entry, Third Party Advisory, vdb-entry)
- docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096 (Patch, Vendor Advisory)
- hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-En… (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.h… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4312?
- CVE-2016-4312 is a high-severity vulnerability in Wso2 Identity Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2017-02-17.
- How severe is CVE-2016-4312?
- High severity. CVSS v3 base score is 7.5 out of 10.