CVE-2019-20855
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <5.9.6 | |
| Mattermost | >=5.14.0<5.14.5 | |
| Mattermost | >=5.15.0<5.15.2 | |
| Mattermost | >=5.16.0<5.16.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-20855?
CVE-2019-20855 is rated as a medium severity vulnerability.
How do I fix CVE-2019-20855?
To fix CVE-2019-20855, upgrade your Mattermost Server to version 5.16.1 or later.
What information can be compromised due to CVE-2019-20855?
CVE-2019-20855 allows attackers to obtain sensitive local files during legacy attachment migration.
Which versions of Mattermost Server are affected by CVE-2019-20855?
CVE-2019-20855 affects Mattermost Server versions before 5.9.6, 5.14.5, 5.15.2, and 5.16.1.
Is CVE-2019-20855 related to attachment migration?
Yes, CVE-2019-20855 specifically involves issues during the legacy attachment migration process.
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