medium6.5
CVE-2019-20844
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7.
Impact
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | before 5.9.7 from 5.15.0 before 5.15.4 from 5.16.0 before 5.16.4 from 5.17.0 before 5.17.2 Version 5.18.0 |