title: Metasys Improper Restriction of XML External Entity Reference
description: XXE vulnerability exists in the Metasys family of product Web Services which has the potential to facilitate DoS attacks or harvesting of ASCII server files. This affects Johnson Controls' Metasys Application and Data Server (ADS, ADS-Lite) versions 10.1 and prior; Metasys Extended Application and Data Server (ADX) versions 10.1 and prior; Metasys Open Data Server (ODS) versions 10.1 and prior; Metasys Open Application Server (OAS) version 10.1; Metasys Network Automation Engine (NAE55 only) versions 9.0.1, 9.0.2, 9.0.3, 9.0.5, 9.0.6; Metasys Network Integration Engine (NIE55/NIE59) versions 9.0.1, 9.0.2, 9.0.3, 9.0.5, 9.0.6; Metasys NAE85 and NIE85 versions 10.1 and prior; Metasys LonWorks Control Server (LCS) versions 10.1 and prior; Metasys System Configuration Tool (SCT) versions 13.2 and prior; Metasys Smoke Control Network Automation Engine (NAE55, UL 864 UUKL/ORD-C100-13 UUKLC 10th Edition Listed) version 8.1.
problem types: CWE-611 - Information Leak Through XML External Entity File Disclosure
affected:
{
product: Metasys Application and Data Server (ADS, ADS-Lite)
vendor: Johnson Controls
versions:
status: affected, version: versions 10.1 and prior
}
{
product: Metasys Extended Application and Data Server (ADX)
vendor: Johnson Controls
versions:
status: affected, version: versions 10.1 and prior
}
{
product: Metasys Open Data Server (ODS)
vendor: Johnson Controls
versions:
status: affected, version: versions 10.1 and prior
}
{
product: Metasys Open Application Server (OAS)
vendor: Johnson Controls
versions:
status: affected, version: version 10.1
}
{
product: Metasys Network Automation Engine (NAE55 only)
vendor: Johnson Controls
versions:
status: affected, version: versions 9.0.1
status: affected, version: 9.0.2
status: affected, version: 9.0.3
status: affected, version: 9.0.5
status: affected, version: 9.0.6
}
{
product: Metasys Network Integration Engine (NIE55/NIE59)
vendor: Johnson Controls
versions:
status: affected, version: versions 9.0.1
status: affected, version: 9.0.2
status: affected, version: 9.0.3
status: affected, version: 9.0.5
status: affected, version: 9.0.6
}
{
product: Metasys NAE85 and NIE85
vendor: Johnson Controls
versions:
status: affected, version: versions 10.1 and prior
}
{
product: Metasys LonWorks Control Server (LCS)
vendor: Johnson Controls
versions:
status: affected, version: versions 10.1 and prior
}
{
product: Metasys System Configuration Tool (SCT)
vendor: Johnson Controls
versions:
status: affected, version: versions 13.2 and prior
}
{
product: Metasys Smoke Control Network Automation Engine (NAE55, UL 864 UUKL/ORD-C100-13 UUKLC 10th Edition Listed)
vendor: Johnson Controls
versions:
status: affected, version: version 8.1
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
solutions: Johnson Controls has developed a patch to address this issue.  Customers should contact their local branch office for remediation.