CVE-2021-36207

Name: CVE-2021-36207
Creator: NVD / NIST
Published: 2022-04-29T17:15:19.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2021-36207 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Under certain circumstances improper privilege management in Metasys ADS/ADX/OAS servers versions 10 and 11 could allow an authenticated user to elevate their privileges to administrator.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

Under certain circumstances improper privilege management in Metasys ADS/ADX/OAS servers versions 10 and 11 could allow an authenticated user to elevate their privileges to administrator.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.90%

55.2th 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, < 10.1.5
Johnsoncontrols	Metasys Application And Data Server	>= 11.0, < 11.0.2
Johnsoncontrols	Metasys Extended Application And Data Server	>= 10.0, < 10.1.5
Johnsoncontrols	Metasys Extended Application And Data Server	>= 11.0, < 11.0.2
Johnsoncontrols	Metasys Open Application Server	>= 10.0, < 10.1.5
Johnsoncontrols	Metasys Open Application Server	>= 11.0, < 11.0.2

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-118-01Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-118-01Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory

Timeline

Published: Apr 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36207?

Under certain circumstances improper privilege management in Metasys ADS/ADX/OAS servers versions 10 and 11 could allow an authenticated user to elevate their privileges to administrator.

How severe is CVE-2021-36207?

CVE-2021-36207 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36207?

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-2021-36207?

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

Scan your code now

Source: NVD / NIST