CVE-2021-36200

Name: CVE-2021-36200
Creator: NVD / NIST
Published: 2022-07-22T15:15:07.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-36200 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.55%

41.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Johnsoncontrols	Metasys Application And Data Server	>= 10.0, < 10.1.6
Johnsoncontrols	Metasys Application And Data Server	>= 11.0, < 11.0.2
Johnsoncontrols	Metasys Extended Application And Data Server	>= 10.0, < 10.1.6
Johnsoncontrols	Metasys Extended Application And Data Server	>= 11.0, < 11.0.2
Johnsoncontrols	Metasys Open Application Server	>= 10.0, < 10.1.6
Johnsoncontrols	Metasys Open Application Server	>= 11.0, < 11.0.2

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-202-02Mitigation, Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-202-02Mitigation, Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory

Timeline

Published: Jul 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36200?

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.

How severe is CVE-2021-36200?

CVE-2021-36200 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36200?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36200?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST