CVE Vulnerabilities

CVE-2024-39830

Improper Authentication

Published: Jul 03, 2024 | Modified: Jun 17, 2026
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
MattermostMattermost9.5.0 (including)9.5.6 (excluding)
MattermostMattermost9.6.0 (including)9.6.3 (excluding)
MattermostMattermost9.7.0 (including)9.7.5 (excluding)
MattermostMattermost9.8.0 (including)9.8.1 (excluding)

Potential Mitigations

References