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  5. CVE-2021-39239

CVE-2021-39239: Improper Restriction of XML External Entity Reference

September 16, 2021 (updated November 7, 2023)

A vulnerability in XML processing in Apache Jena may allow an attacker to execute XML External Entities (XXE), including exposing the contents of local files to a remote server.

References

  • lists.apache.org/thread.html/r0f03ae7e102c3e8587fdd36531fc167309335738156dfbd7d9c1bf45@%3Cdev.jena.apache.org%3E
  • lists.apache.org/thread.html/rce5241b228a1f0e5880f6b2bfdb7ae9ee420e94cb692738a0bbfed9d@%3Cdev.jena.apache.org%3E
  • lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d3221d493d%40%3Cusers.jena.apache.org%3E
  • lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d3221d493d@%3Cannounce.apache.org%3E
  • nvd.nist.gov/vuln/detail/CVE-2021-39239

Code Behaviors & Features

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Affected versions

All versions up to 4.1.0

Fixed versions

  • 4.2.0

Solution

Upgrade to version 4.2.0 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-611: Improper Restriction of XML External Entity Reference

Source file

maven/org.apache.jena/jena/CVE-2021-39239.yml

Spotted a mistake? Edit the file on GitLab.

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