CVE-2019-20863

High

7.5/10

Summary

An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted.

Attack Complexity: LOW
Attack Vector: NETWORK
Integrity Impact: HIGH
Scope: UNCHANGED
User Interaction: NONE
Privileges Required: NONE
Confidentiality Impact: NONE
Availability Impact: NONE

References

Advisory Timeline

Published Jun 19, 2020