CVE-2024-40886

HIGH EPSS 8.8%

Published Aug 22, 20241y ago · Modified Jun 17, 20262w ago

8.8 CVSS 3.1

High

Published Aug 22, 2024 1y ago

Last Modified Jun 17, 2026 2w ago

Description

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in User Management page of the system console.

CVSS Details

Base Score

8.8

Exploitability

2.8

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

8.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-352 Cross-Site Request Forgery (CSRF) Authentication

Affected Products 4

Vendor	Product	Version	Range
mattermost	mattermost	*	≥9.5.0 – <9.5.8
mattermost	mattermost	*	≥9.8.0 – <9.8.3
mattermost	mattermost	*	≥9.9.0 – <9.9.2
mattermost	mattermost	*	≥9.10.0 – <9.10.1

References 1

mattermost.com https://mattermost.com/security-updates

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.