CVE-2023-2515

Privilege escalation to system admin via personal access tokens

Published May 12, 2023 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin

Remediation

Vendor Solution

Update Mattermost Server to versions 7.1.8, 7.7.4, 7.8.3, 7.9.2 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-1492 Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
Github GHSA Github GHSA GHSA-7g2v-2frm-rg94 Mattermost Incorrect 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, 11:04 PM
Reserved
May 4, 2023, 11:36 AM
Status
Modified
Published
May 12, 2023, 9:15 AM
Modified
Jun 17, 2026, 5:52 AM