title: Metasys ADS/ADX/OAS with MUI
description: Under certain circumstances an unauthenticated user could access the the web API for Metasys ADS/ADX/OAS 10 versions prior to 10.1.6 and 11 versions prior to 11.0.2 and enumerate users.
problem types: CWE-306: Missing Authentication for Critical Function
affected:
{
product: Metasys ADS/ADX/OAS server
vendor: Johnson Controls
versions:
lessThan: 10.1.6, status: affected, version: All 10 versions, versionType: custom
lessThan: 11.0.2, status: affected, version: All 11 versions, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
version: 3.1
]
solutions: Update all Metasys ADS/ADX/OAS 10 versions with patch 10.1.6