What is the severity of CVE-2019-20841?

CVE-2019-20841 is a medium severity vulnerability that allows for potential account takeover through CSRF attacks.

How do I fix CVE-2019-20841?

To fix CVE-2019-20841, upgrade Mattermost Server to version 5.18.0 or later.

What platforms are affected by CVE-2019-20841?

CVE-2019-20841 affects Mattermost Server versions prior to 5.18.0, as well as specific versions in the 5.9.x to 5.17.x range.

Can CVE-2019-20841 lead to data breaches?

Yes, CVE-2019-20841 can potentially lead to unauthorized access and data breaches if exploitation is successful.

Is there a workaround for CVE-2019-20841?

There are no official workarounds for CVE-2019-20841; updating to a secure version is the recommended action.

Vulnerability/
CVE-2019-20841

high

8.8

CWE

352

19/6/2020

5/8/2024

CVE-2019-20841: CSRF

First published: Fri Jun 19 2020(Updated: )

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. CSRF can sometimes occur via a crafted web site for account takeover attacks.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Mattermost	<5.9.7
Mattermost	>=5.15.0<5.15.4
Mattermost	>=5.16.0<5.16.4
Mattermost	>=5.17.0<5.17.2
Mattermost	=5.18.0-rc1
Mattermost	=5.18.0-rc2
Mattermost	=5.18.0-rc3
Mattermost	=5.18.0-rc4

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Reference Links

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

Frequently Asked Questions

What is the severity of CVE-2019-20841?
CVE-2019-20841 is a medium severity vulnerability that allows for potential account takeover through CSRF attacks.
How do I fix CVE-2019-20841?
To fix CVE-2019-20841, upgrade Mattermost Server to version 5.18.0 or later.
What platforms are affected by CVE-2019-20841?
CVE-2019-20841 affects Mattermost Server versions prior to 5.18.0, as well as specific versions in the 5.9.x to 5.17.x range.
Can CVE-2019-20841 lead to data breaches?
Yes, CVE-2019-20841 can potentially lead to unauthorized access and data breaches if exploitation is successful.
Is there a workaround for CVE-2019-20841?
There are no official workarounds for CVE-2019-20841; updating to a secure version is the recommended action.

collector/mitre-cve
source/MITRE
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agent/references
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vendor/mattermost
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version/mattermost/5.15.0
version/mattermost/5.16.0
version/mattermost/5.17.0
version/mattermost/5.18.0-rc1
version/mattermost/5.18.0-rc2
version/mattermost/5.18.0-rc3
version/mattermost/5.18.0-rc4

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