How severe is CVE-2013-0339?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 6.8 out of 10.

What type of vulnerability is CVE-2013-0339?

This is classified as CWE-264, which is a common weakness in software security.

CVE-2013-0339 - MEDIUM Severity | CVSS 6.8

Vulnerability Description

libxml2 through 2.9.1 does not properly handle external entities expansion unless an application developer uses the xmlSAX2ResolveEntity or xmlSetExternalEntityLoader function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because libxml2 already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed and each affected application would need its own CVE.

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