CVE-2021-37865

Summary

Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermostunspecified <= 6.2affected
MattermostMattermost6.1.1 < unspecifiedunaffected
MattermostMattermost6.0.4 < unspecifiedunaffected
MattermostMattermost5.39.3 < unspecifiedunaffected
MattermostMattermost5.37.6 < unspecifiedunaffected

Weaknesses

  • CWE-400: CWE-400 Uncontrolled Resource Consumption

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References