CVE-2024-2450 - CVE House
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Status published High CVE-2024-2450

Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Juho Nurminen

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Affected Vendor

Affected Software

Mattermost
Vulnerable Versions:
9.5.0, 9.4.0, 9.3.0, 9.2.0, 8.1.0, 9.6.0, 9.4.3, 9.5.1, 9.3.2, 9.2.6, 8.1.10

Timeline

Official Publish: March 15th, 2024
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-287

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1556 Modify Authentication Process
Credential Access