CVEvulnerability
CVE-2018-21256
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-06-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-732
Description
An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for group-message channel creation) via the Group message slash command.
Affected configurations
• mattermost mattermost server (< 5.1.0)
Related
Weakness · CWE (1)
- CWE-732 Incorrect Permission Assignment for Critical Resource weakness
References
- https://mattermost.com/security-updates/ Vendor Advisory
- https://mattermost.com/security-updates/ Vendor Advisory