CVE-2018-21264: Input Validation
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. It did not enforce the expiration date of a SAML response.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.5.2 | |
| Mattermost | >=4.6.0<4.6.2 | |
| Mattermost | =4.7.0-rc1 | |
| Mattermost | =4.7.0-rc2 | |
| Mattermost | =4.7.0-rc3 | |
| Mattermost | =4.7.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-21264?
CVE-2018-21264 has a medium severity rating due to the lack of enforced expiration dates on SAML responses.
How do I fix CVE-2018-21264?
To fix CVE-2018-21264, you should upgrade Mattermost Server to version 4.7.0 or later.
Which versions of Mattermost Server are affected by CVE-2018-21264?
CVE-2018-21264 affects Mattermost Server versions up to 4.5.2, as well as versions 4.6.0 and 4.6.1.
What type of vulnerability is CVE-2018-21264?
CVE-2018-21264 is a security vulnerability related to SAML authentication protocols.
Is there a patch for CVE-2018-21264?
Yes, there is a patch available in the newer versions of Mattermost Server, starting from version 4.7.0.
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- version/mattermost/4.6.0
- version/mattermost/4.7.0-rc1
- version/mattermost/4.7.0-rc2
- version/mattermost/4.7.0-rc3
- version/mattermost/4.7.0-rc4