CVE-2024-42406

Summary

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost9.11.0affected
MattermostMattermost9.10.0 <= 9.10.1affected
MattermostMattermost9.9.0 <= 9.9.2affected
MattermostMattermost9.5.0 <= 9.5.8affected
MattermostMattermost10.0.0unaffected
MattermostMattermost9.11.1unaffected
MattermostMattermost9.10.2unaffected
MattermostMattermost9.9.3unaffected
MattermostMattermost9.5.9unaffected

Weaknesses

  • CWE-284: CWE-284: Improper Access Control

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References