CVE-2021-36200: Johnsoncontrols Metasys Application And Data Server

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

  • Johnsoncontrols Metasys Application And Data Server: from 10.0, before 10.1.6 (fixed in 10.1.6); from 11.0, before 11.0.2 (fixed in 11.0.2)
  • Johnsoncontrols Metasys Extended Application And Data Server: from 10.0, before 10.1.6 (fixed in 10.1.6); from 11.0, before 11.0.2 (fixed in 11.0.2)
  • Johnsoncontrols Metasys Open Application Server: from 10.0, before 10.1.6 (fixed in 10.1.6); from 11.0, before 11.0.2 (fixed in 11.0.2)

Published 2022-07-22. Last modified 2026-06-17.