CVE-2024-32939: mattermost Access Control Flaw — Fix

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, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-284 CWE-284

CWE-312 CWE-312

Affected Products

Vendor	Product	Versions
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

Advisories & Patches

https://mattermost.com/security-updates

Frequently Asked Questions

What is CVE-2024-32939? +

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, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server." It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-32939? +

CVE-2024-32939 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-32939? +

CVE-2024-32939 affects products from mattermost, specifically: mattermost. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-32939? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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