CVE-2023-1775

Summary

When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost3.3.0 <= 7.7.1affected
MattermostMattermost3.3.0 <= 7.1.5affected
MattermostMattermost3.3.0 < 7.8.0affected
MattermostMattermost7.8.0unaffected
MattermostMattermost7.7.2unaffected
MattermostMattermost7.1.6unaffected

Weaknesses

  • CWE-200: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References