Auth bypass in Johnson Controls Metasys Ads/adx/oas Server

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.

Vulnerability class: Broken Authentication

EPSS: 0.006 (43.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-36200?
CVE-2021-36200 is a medium-severity vulnerability in Johnson Controls Metasys Ads/adx/oas Server, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2022-07-22.
How severe is CVE-2021-36200?
Medium severity. CVSS v3 base score is 5.3 out of 10.