Vulnerability · Published Feb 29, 2024 · Assigned by Mattermost

CVE-2024-23488Files of archived channels accessible with the “Allow users to view archived channels” option disabled

Low 3.1

In plain English

A low-severity improper access control in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost-server9.4.2+incompatibleGO-2024-2595
Gogithub.com/mattermost/mattermost-server/v5no fix listedGO-2024-2595
Gogithub.com/mattermost/mattermost-server/v6no fix listedGO-2024-2595
Gogithub.com/mattermost/mattermost/server/v89.4.2GHSA-xgxj-j98c-59rv
Gogithub.com/mattermost/mattermost/server/v88.1.9GHSA-xgxj-j98c-59rv
Gogithub.com/mattermost/mattermost/server/v8no fix listedGO-2024-2595

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 0 – through 8.1.80 – through 9.4.1

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

References