CVE-2017-18906
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Mattermost Server | <3.9.2 | |
| Mattermost Mattermost Server | >=3.10.0<3.10.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2017-18906?
CVE-2017-18906 is a vulnerability in Mattermost Server versions before 4.0.0, 3.10.2, and 3.9.2 that affects Single Sign-On OAuth2.
How severe is CVE-2017-18906?
CVE-2017-18906 has a severity rating of 8.1, which is considered high.
How does CVE-2017-18906 affect Mattermost Server?
CVE-2017-18906 allows an attacker to claim somebody else's account when Single Sign-On OAuth2 is used.
Which versions of Mattermost Server are affected by CVE-2017-18906?
Mattermost Server versions before 4.0.0, 3.10.2, and 3.9.2 are affected by CVE-2017-18906.
How can I fix CVE-2017-18906?
To fix CVE-2017-18906, it is recommended to update Mattermost Server to version 4.0.0 or later.
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