CVE-2023-2783

App Framework does not checks for the secret provided in the incoming webhook request

Published Jun 16, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.

Remediation

Vendor Solution

Update Mattermost Server to versions Versions 7.8.5, 7.9.4, 7.10.1 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-1677 Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
Github GHSA Github GHSA GHSA-455c-vqrf-mghr Mattermost Server Missing Authorization vulnerability
References
History
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, 11:03 PM
Reserved
May 18, 2023, 10:17 AM
Status
Modified
Published
Jun 16, 2023, 9:15 AM
Modified
Jun 17, 2026, 5:53 AM