CVE-2024-2450

Published Mar 15, 2024 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request under specific conditions.

Remediation

Vendor Solution

Update Mattermost Server to versions 9.6, 9.4.3, 9.5.1, 9.3.2, 9.2.6, 8.1.10 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-27399 Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request under specific conditions.
References
History
Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
Weaknesses CWE-306
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:9.5.0:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 2, 2024, 8:35 PM
Reserved
Mar 14, 2024, 12:57 PM
Status
Analyzed
Published
Mar 15, 2024, 10:15 AM
Modified
Jun 17, 2026, 7:24 AM