CVEvulnerability
CVE-2019-20888
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-06-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-401
Description
An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration.
Affected configurations
• mattermost mattermost server (< 4.10.5)
• mattermost mattermost server (>= 5.5.0 < 5.5.2)
• mattermost mattermost server (>= 5.6.0 < 5.6.3)
• mattermost mattermost server 5.7.0
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://mattermost.com/security-updates/ Vendor Advisory
- https://mattermost.com/security-updates/ Vendor Advisory