CVE-2019-20887
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.10.6 | |
| Mattermost | >=5.5.0<5.5.3 | |
| Mattermost | >=5.6.0<5.6.4 | |
| Mattermost | >=5.7.0<5.7.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-20887?
CVE-2019-20887 has been classified as a moderate severity vulnerability.
How do I fix CVE-2019-20887?
To fix CVE-2019-20887, upgrade Mattermost Server to version 5.7.1, 5.6.4, 5.5.3, or 4.10.6 or later.
What does CVE-2019-20887 affect?
CVE-2019-20887 affects Mattermost Server versions prior to 5.7.1, 5.6.4, 5.5.3, and 4.10.6.
What type of vulnerability is CVE-2019-20887?
CVE-2019-20887 is a permission handling vulnerability related to intra-team posts.
Is CVE-2019-20887 exploited remotely?
CVE-2019-20887 can potentially be exploited by authenticated users within the Mattermost environment.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/references
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/mattermost
- canonical/mattermost
- version/mattermost/5.5.0
- version/mattermost/5.6.0
- version/mattermost/5.7.0