CVE-2019-20880
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memory consumption) via OpenGraph.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.10.7 | |
| Mattermost | >=5.6.0<5.6.5 | |
| Mattermost | >=5.7.0<5.7.2 | |
| Mattermost | =5.8.0-rc1 | |
| Mattermost | =5.8.0-rc2 | |
| Mattermost | =5.8.0-rc3 | |
| Mattermost | =5.8.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-20880?
The severity of CVE-2019-20880 is categorized as a denial of service vulnerability.
How do I fix CVE-2019-20880?
To fix CVE-2019-20880, upgrade Mattermost Server to version 5.8.0 or later.
What versions of Mattermost Server are affected by CVE-2019-20880?
Versions of Mattermost Server prior to 5.8.0, as well as 5.7.2, 5.6.5, and 4.10.7, are affected by CVE-2019-20880.
What type of attack is possible with CVE-2019-20880?
CVE-2019-20880 allows attackers to perform a denial of service attack that leads to memory consumption.
Is there a patch available for CVE-2019-20880?
Yes, a patch is included in versions 5.8.0 and newer of Mattermost Server.
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- version/mattermost/5.6.0
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- version/mattermost/5.8.0-rc3
- version/mattermost/5.8.0-rc4