CVE-2023-2787

Summary

Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost0 <= 7.9.3affected
MattermostMattermost0 <= 7.8.4affected
MattermostMattermost0 <= 7.1.9affected
MattermostMattermost7.10.0affected
MattermostMattermost7.9.3unaffected
MattermostMattermost7.8.4unaffected
MattermostMattermost7.1.9unaffected
MattermostMattermost7.10.1unaffected

Weaknesses

  • CWE-862: CWE-862 Missing Authorization

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References