CVE-2024-10214 Incorrect Session Creation with Desktop SSO

What is CVE-2024-10214?

CVE-2024-10214 is a low-severity authentication bypass vulnerability in Mattermost Mattermost, published on 28 Oct 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Mattermost versions 9.11.X <= 9.11.1, 9.5.x <= 9.5.9 icorrectly issues two sessions when using desktop SSO - one in the browser and one in desktop with incorrect settings.

Weakness: CWE-303

Which versions are affected by CVE-2024-10214?

6 open source packages ship an affected version, including github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server and github.com/mattermost/mattermost-server/v5. It affects 1 product.

Products include Mattermost Mattermost.

How do I fix CVE-2024-10214?

Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20240821220019-0d6b1070a26f or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-10214 being exploited?

There is no known exploitation of CVE-2024-10214 in the wild and no public exploit code.

Other vulnerabilities in Mattermost Mattermost

• CVE-2019-20851 Path traversal in n/a Critical 9.1
• CVE-2024-39274 Malicious remote can add users to arbitrary teams and channels High 8.7
• CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel High 8.7
• CVE-2024-39830 Timing attack during remote cluster token comparison when shared channels are enabled High 8.1
• CVE-2023-3615 Lack of server certificate validation in websockets connection High 8.1

All Mattermost Mattermost vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hm57-h27x-599c, GO-2024-3227.