title: Sysadmin can override existing configs & bypass restrictions like EnableUploads
description: One of the API in Mattermost version 6.3.0 and earlier fails to properly protect the permissions, which allows the system administrators to combine the two distinct privileges/capabilities in a way that allows them to override certain restricted configurations like EnableUploads.
problem types: CWE-268 Privilege Chaining
affected:
{
product: Mattermost
vendor: Mattermost
versions:
lessThanOrEqual: 6.3, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 3.3
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
version: 3.1
]
solutions: Update Mattermost to version v6.4 or higher