CVEvulnerability
CVE-2018-21251
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-06-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-862
Description
An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the body.
Affected configurations
• mattermost mattermost server (< 5.1.1)
• mattermost mattermost server 5.2.0
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://mattermost.com/security-updates/ Vendor Advisory
- https://mattermost.com/security-updates/ Vendor Advisory