What’s Vulnerable › Vulnerabilities

CVE-2021-36204: Insufficiently Protected Credentials in Metasys

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-13 · updated 2026-06-17
• Weakness: CWE-522

Description

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

How to fix

Upgrade to a fixed version: Johnsoncontrols Metasys Application And Data Server 10.1.6, 11.0.3; Johnsoncontrols Metasys Extended Application And Data Server 10.1.6, 11.0.3; Johnsoncontrols Metasys Open Application Server 10.1.6, 11.0.3. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-06
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories
• https://www.cisa.gov/uscert/ics/advisories/icsa-23-012-06
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories

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