CVE-2021-36204: Johnsoncontrols Metasys Application And Data Server

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Under some circumstances an Insufficiently Protected Credentials vulnerability in Johnson Controls Metasys ADS/ADX/OAS 10 versions prior to 10.1.6 and 11 versions prior to 11.0.3 allows API calls to expose credentials in plain text.

Affected products

• Johnsoncontrols Metasys Application And Data Server: from 10.0, before 10.1.6 (fixed in 10.1.6); from 11.0, before 11.0.3 (fixed in 11.0.3)
• Johnsoncontrols Metasys Extended Application And Data Server: from 10.0, before 10.1.6 (fixed in 10.1.6); from 11.0, before 11.0.3 (fixed in 11.0.3)
• Johnsoncontrols Metasys Open Application Server: from 10.0, before 10.1.6 (fixed in 10.1.6); from 11.0, before 11.0.3 (fixed in 11.0.3)

Published 2023-01-13. Last modified 2026-06-17.