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Improper Access Control

CVE-2024-32939

Low
3.7/10

Summary

Mattermost versions 9.5.x prior to 9.5.8-rc1, 9.8.x prior to 9.8.3-rc1, 9.9.x prior to 9.9.2-rc1, and 9.10.x prior to 9.10.1-rc1, when shared channels are enabled, fail to redact remote user's original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.

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

CWE-284 - Improper Access Control

Listed 5th in the 'OWASP Top Ten', improper (or broken) access control attacks are a fundamental type of vulnerability. This includes a broad range of design flaws that enable users to act outside of their intended permissions. They can use these privileges to gain access to restricted files and functionality such as accessing restricted information, falsifying records, destroying data, or executing commands.

References

Advisory Timeline

  • Published