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CVE-2022-2406 Details

Description

The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://mattermost.com/security-updates/	CVE	Vendor Advisory
https://mattermost.com/security-updates/	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-770	Allocation of Resources Without Limits or Throttling	[email protected]
CWE-400	Uncontrolled Resource Consumption	[email protected]

Affected Products

Product	Versions
mattermost mattermost	<= 6.3.8 >= 6.4.0, <= 6.5.1 6.6.0 6.6.1 6.7.0
CPE cpe:2.3:a:mattermost:mattermost:::::::: cpe:2.3:a:mattermost:mattermost:6.6.0:::::::* cpe:2.3:a:mattermost:mattermost:6.6.1:::::::* cpe:2.3:a:mattermost:mattermost:6.7.0:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 30, 2023	Reanalysis	[email protected]
Jul 25, 2022	Initial Analysis	[email protected]