CVE-2017-18911
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <3.6.7 | |
| Mattermost | >=3.7.0<3.7.5 | |
| Mattermost | >=3.8.0<3.8.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-18911?
CVE-2017-18911 is classified as a medium severity vulnerability.
How do I fix CVE-2017-18911?
To fix CVE-2017-18911, upgrade Mattermost Server to version 3.8.2 or later, or to version 3.7.5 or later, or to version 3.6.7.
What impact does CVE-2017-18911 have on Mattermost Server?
CVE-2017-18911 allows for the potential bypass of X.509 certificate validation for TLS-based email servers, which can lead to security risks.
Which versions of Mattermost Server are affected by CVE-2017-18911?
CVE-2017-18911 affects Mattermost Server versions prior to 3.6.7, 3.7.5, and 3.8.2.
Is there a workaround for CVE-2017-18911?
There is no documented workaround for CVE-2017-18911; the best action is to update to a secure version.
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