Mattermost versions 10.5.x <= 10.5.3, 9.11.x <= 9.11.11 fail to check `RestrictSystemAdmin` setting if user doesn't have access to `ExperimentalSettings` which allows a System Manager to access `ExperimentSettings` when `RestrictSystemAdmin` is true via System Console.
CVE ID: CVE-2025-2570
CVSS Base Severity: LOW
CVSS Base Score: 2.7
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Vendor: Mattermost
Product: Mattermost
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 7.07% (scored less or equal to compared to others)
EPSS Date: 2025-06-06 (when was this score calculated)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false