First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.4.0. It mishandles possession of superfluous authentication credentials.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mattermost | <5.4.0 |
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CVE-2018-21248 is classified as a medium severity vulnerability.
To fix CVE-2018-21248, upgrade Mattermost Server to version 5.4.0 or later.
CVE-2018-21248 is an authentication vulnerability due to mishandling superfluous credentials.
Mattermost Server versions prior to 5.4.0 are affected by CVE-2018-21248.
There is no official workaround for CVE-2018-21248; upgrading is the recommended action.