title: Incorrect authorization allows a user manager to update a system admin
description: Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
problem types: CWE-863 Incorrect Authorization
affected:
{
defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions:
lessThanOrEqual: 7.8.7, status: affected, version: 0, versionType: semver
lessThanOrEqual: 7.9.5, status: affected, version: 0, versionType: semver
lessThanOrEqual: 7.10.3, status: affected, version: 0, versionType: semver
status: unaffected, version: 7.8.8
status: unaffected, version: 7.9.6
status: unaffected, version: 7.10.4
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 6.7
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Update Mattermost Server to versions 7.8.8, 7.9.6, 7.10.4 or higher.