Vulnerability · Published Aug 11, 2023 · Assigned by Mattermost

CVE-2023-4106A guest user can perform various actions on public playbooks

Medium 6.3

In plain English

A medium-severity missing authorization 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 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 69.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost-server/v67.9.6GHSA-p267-jjfq-pphf
Gogithub.com/mattermost/mattermost-server/v67.10.4GHSA-p267-jjfq-pphf
Gogithub.com/mattermost/mattermost-server/v67.8.8GHSA-p267-jjfq-pphf

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 0 – through 7.8.70 – through 7.9.50 – through 7.10.3

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References