🛡️ CVE-2023-5967
🟡 CVSS 4.3 — Medium ✅ No Known Exploit CWE-754 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

Details

Severity Medium
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE CWE-754
Public Exploit ✅ No
Source NVD
Published 2023-11-06
Updated 2026-06-08
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/mattermost/mattermost-server/v6
github.com/mattermost/mattermost/server/v8
mattermost 8.1.0 8.1.2

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