CVE-2019-20859
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.10.8 | |
| Mattermost | >=5.7.0<5.7.3 | |
| Mattermost | >=5.8.0<5.8.1 | |
| Mattermost | =5.9.0-rc1 | |
| Mattermost | =5.9.0-rc2 | |
| Mattermost | =5.9.0-rc3 | |
| Mattermost | =5.9.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-20859?
CVE-2019-20859 has been categorized as a high severity vulnerability due to its ability to bypass login access control.
How do I fix CVE-2019-20859?
To fix CVE-2019-20859, you should upgrade Mattermost Server to version 5.15.0 or later.
What versions of Mattermost Server are affected by CVE-2019-20859?
Mattermost Server versions before 5.15.0, specifically 4.10.8 and 5.7.0 to 5.8.1, are affected by CVE-2019-20859.
What type of vulnerability is CVE-2019-20859?
CVE-2019-20859 is a login access control vulnerability that can be exploited through crafted input.
Is there a workaround for CVE-2019-20859?
There are no documented workarounds for CVE-2019-20859; upgrading to the latest version is the recommended action.
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- vendor/mattermost
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- version/mattermost/5.7.0
- version/mattermost/5.8.0
- version/mattermost/5.9.0-rc1
- version/mattermost/5.9.0-rc2
- version/mattermost/5.9.0-rc3
- version/mattermost/5.9.0-rc4