CVE-2022-2406

Malicious imports can lead to Denial of Service

Published Jul 14, 2022 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update Mattermost to version v7.0.0, 6.7.1, 6.6.2, 6.5.2, 6.3.9 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-34669 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.
References
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00408}

epss

{'score': 0.00609}

Type Values Removed Values Added
Metrics epss

{'score': 0.00171}

epss

{'score': 0.00408}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Dec 6, 2024, 11:08 PM
Reserved
Jul 14, 2022, 12:00 AM
Status
Modified
Published
Jul 14, 2022, 6:15 PM
Modified
Jun 17, 2026, 4:41 AM