PT-2024-20425 · Mattermost · Mattermost

Juho Nurminen · Published 2024-03-15 · Updated 2024-12-16 · CVE-2024-2450

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost versions 8.1.x through 8.1.9 Mattermost versions 9.2.x through 9.2.5 Mattermost versions 9.3.x through 9.3.1 Mattermost versions 9.4.x through 9.4.2

Description The issue arises from the failure 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.

Recommendations For Mattermost versions 8.1.x through 8.1.9, update to version 8.1.10 or later. For Mattermost versions 9.2.x through 9.2.5, update to version 9.2.6 or later. For Mattermost versions 9.3.x through 9.3.1, update to version 9.3.2 or later. For Mattermost versions 9.4.x through 9.4.2, update to version 9.4.3 or later.

Fix

Missing Authentication

Improper Authentication

Weakness Enumeration

CWE-306

CWE-287

Related Identifiers

BIT-MATTERMOST-2024-2450

CVE-2024-2450

Affected Products

Mattermost

References · 8

• https://osv.dev/vulnerability/CVE-2024-2450 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-2450 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mattermost-2024-2450 · Vendor Advisory
• https://twitter.com/CVEnew/status/1768569169832755631 · Twitter Post
• https://t.me/cvenotify/104222 · Telegram Post
• https://t.me/cvenotify/73885 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1768622873977946598 · Twitter Post