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Improper Restriction of XML External Entity Reference

CVE-2020-25649

High
7.5/10

Summary

A flaw was found in FasterXML Jackson Databind before 2.6.7.4, 2.7.0 through 2.9.10.6, and 2.10.0 through 2.10.5, where it did not have entity expansion secured properly. This flaw makes it vulnerable to XML external entity (XXE) attacks. The highest threat from this vulnerability is data integrity.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • NONE

CWE-611 - Improper Restriction of XML External Entity Reference

Listed 4th in the 'OWASP Top Ten', XML External Entities (XXE) vulnerability allows attackers to provide an XML input that contains an external entity. When the XML is parsed, it can cause data extraction and manipulation, execution of commands, denial-of-service attacks, and server-side request forgery.

References

Advisory Timeline

  • Published