What is the severity of CVE-2019-20889?

CVE-2019-20889 has been rated as a medium severity vulnerability due to improper handling of user-access token creation.

How do I fix CVE-2019-20889?

To fix CVE-2019-20889, upgrade to Mattermost Server version 5.7 or later.

Which versions of Mattermost Server are affected by CVE-2019-20889?

CVE-2019-20889 affects Mattermost Server versions earlier than 5.7, including 5.6.3, 5.5.2, and 4.10.5.

What is the nature of the vulnerability in CVE-2019-20889?

CVE-2019-20889 involves mishandled permissions related to the creation of user-access tokens.

Is there a specific version of Mattermost Server that addresses CVE-2019-20889?

Yes, Mattermost Server version 5.7 and later effectively address the issues related to CVE-2019-20889.

Vulnerability/
CVE-2019-20889

medium

5.3

CWE

276

19/6/2020

5/8/2024

CVE-2019-20889

First published: Fri Jun 19 2020(Updated: )

An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It mishandles permissions for user-access token creation.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Mattermost	>=4.10.0<4.10.5
Mattermost	>=5.5.0<5.5.2
Mattermost	>=5.6.0<5.6.3
Mattermost	=5.7.0-rc1
Mattermost	=5.7.0-rc2
Mattermost	=5.7.0-rc3
Mattermost	=5.7.0-rc4
Mattermost	=5.7.0-rc5
Mattermost	=5.7.0-rc6

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Reference Links

https://mattermost.com/security-updates/

Frequently Asked Questions

What is the severity of CVE-2019-20889?
CVE-2019-20889 has been rated as a medium severity vulnerability due to improper handling of user-access token creation.
How do I fix CVE-2019-20889?
To fix CVE-2019-20889, upgrade to Mattermost Server version 5.7 or later.
Which versions of Mattermost Server are affected by CVE-2019-20889?
CVE-2019-20889 affects Mattermost Server versions earlier than 5.7, including 5.6.3, 5.5.2, and 4.10.5.
What is the nature of the vulnerability in CVE-2019-20889?
CVE-2019-20889 involves mishandled permissions related to the creation of user-access tokens.
Is there a specific version of Mattermost Server that addresses CVE-2019-20889?
Yes, Mattermost Server version 5.7 and later effectively address the issues related to CVE-2019-20889.

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