Vulnerability · Published Feb 24, 2025 · Assigned by Mattermost

CVE-2025-1412Session Persistence After User-to-Bot Conversion

Low 3.1

In plain English

A low-severity session fixation 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 17% 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 82.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost-server10.4.2+incompatible, 9.11.7+incompatibleGO-2025-3482
Gogithub.com/mattermost/mattermost-server/v5no fix listedGO-2025-3482
Gogithub.com/mattermost/mattermost-server/v6no fix listedGO-2025-3482
Gogithub.com/mattermost/mattermost/server/v810.4.2GHSA-rhvr-6w8c-6v7w
Gogithub.com/mattermost/mattermost/server/v89.11.7GHSA-rhvr-6w8c-6v7w
Gogithub.com/mattermost/mattermost/server/v88.0.0-20241217145510-faa7e4f2ea0cGHSA-rhvr-6w8c-6v7w
Gogithub.com/mattermost/mattermost/server/v88.0.0-20241217145510-faa7e4f2ea0cGO-2025-3482

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 9.11.0 – through 9.11.610.4.0 – through 10.4.1

Weakness: CWE-384 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

References