CVE-2024-43813

MEDIUM EPSS 15.4%

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

4.3 CVSS 3.1

Medium

Published Aug 22, 2024 1y ago

Last Modified Jun 17, 2026 2w ago

Description

Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.

CVSS Details

Base Score

4.3

Exploitability

2.8

Impact

1.4

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality None

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

15.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-284

Affected Products 2

Vendor	Product	Version	Range
mattermost	mattermost	*	≥9.5.0 – <9.5.8
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.