CVEvulnerability
CVE-2019-20844
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-06-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-924
Description
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.
Affected configurations
• mattermost mattermost server (< 5.9.7)
• mattermost mattermost server (>= 5.15.0 < 5.15.4)
• mattermost mattermost server (>= 5.16.0 < 5.16.4)
• mattermost mattermost server (>= 5.17.0 < 5.17.2)
• mattermost mattermost server 5.18.0
Related
Weakness · CWE (1)
- CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel weakness
References
- https://mattermost.com/security-updates/ Vendor Advisory
- https://mattermost.com/security-updates/ Vendor Advisory