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Weakness (CWE)

CWE-611: Improper Restriction of XML External Entity Reference

Base Draft

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

How to prevent it (1 mitigation)

  1. Implementation, System Configuration

    Many XML parsers and validators can be configured to disable external entity expansion.

Source: MITRE CWE-611

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.5
    CVE-2016-9563 Exploited EPSS 24%

    BC-BMT-BPM-DSK in SAP NetWeaver AS JAVA 7.5 allows remote authenticated users to conduct XML External Entity (XXE) atta…

    KEV Nov 3, 2021