Medium severity · published Jul 22, 2022
CVE-2021-36200
Metasys ADS/ADX/OAS with MUI
5.3
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Metasys ADS/ADX/OAS server · Johnson Controls
All 10 versions before 10.1.6; All 11 versions before 11.0.2 · source: vendor
MA
Metasys Application And Data Server · Johnsoncontrols
10.0 before 10.1.6; 11.0 before 11.0.2 · source: NVD
ME
Metasys Extended Application And Data Server · Johnsoncontrols
10.0 before 10.1.6; 11.0 before 11.0.2 · source: NVD
MO
Metasys Open Application Server · Johnsoncontrols
10.0 before 10.1.6; 11.0 before 11.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36200
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36200
Mitigation
https://www.cisa.gov/uscert/ics/advisories/icsa-22-202-02
Vendor Advisory
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
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Under certain circumstances, a vulnerability in Metasys ADS/ADX/OAS 10 versions prior to 10.1.5 and Metasys ADS/ADX/OAS 11 versions prior to 11.0.2 could allow a user to inject malicious code into the