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Improper Access Control

CVE-2024-1887

Medium
4.3/10

Summary

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export. This issue affects versions through 8.1.8, 9.0.0-rc1 through 9.0.6, 9.1.0-rc1 through 9.1.5, 9.2.0-rc1 through 9.2.4, and 9.3.0-rc1 through 9.3.0.

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