CVE-2019-20863
7.5 highEPSS 0.9%
An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted.
Severity
CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
References
Check your stackJSON