Vulnerability · Published Aug 22, 2024 · Assigned by Mattermost

CVE-2024-40886One-click Client-Side Path Traversal Leading to CSRF in User Management admin page

Medium 4.6

In plain English

A medium-severity cross-site request forgery 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 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.2%top 89.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in User Management page of the system console.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost-server9.10.1+incompatible, 9.5.8+incompatible, 9.8.3+incompatible, 9.9.2+incompatibleGO-2024-3097
Gogithub.com/mattermost/mattermost-server/v5no fix listedGO-2024-3097
Gogithub.com/mattermost/mattermost-server/v6no fix listedGO-2024-3097
Gogithub.com/mattermost/mattermost/server/v89.8.3GHSA-hrf9-rm95-fpf3
Gogithub.com/mattermost/mattermost/server/v89.9.2GHSA-hrf9-rm95-fpf3
Gogithub.com/mattermost/mattermost/server/v8no fix listedGO-2024-3097
Gogithub.com/mattermost/mattermost/server/v89.5.8GHSA-hrf9-rm95-fpf3
Gogithub.com/mattermost/mattermost/server/v89.10.1GHSA-hrf9-rm95-fpf3

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 9.9.0 – through 9.9.19.5.0 – through 9.5.79.10.09.8.0 – through 9.8.2

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

References