Skip to main content

Improper Restriction of XML External Entity Reference

CVE-2017-3811

Medium
6.5/10

Summary

An XML External Entity vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to have read access to part of the information stored in the affected system. More Information: CSCvc39165. Known Affected Releases: 2.6. Known Fixed Releases: 2.7.1.2054.

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