Vulnerability identifier: #VU65738

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36200

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Metasys ADS
Server applications / Application servers
Metasys ADX
Server applications / Application servers
Metasys Open Application Server (OAS)
Server applications / Other server solutions

Vendor: Johnson Controls

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing authentication for critical function. A remote attacker can access the Metasys ADS/ADX/OAS web API and enumerate users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Metasys ADS: 10 - 11

Metasys ADX: 10 - 11

Metasys Open Application Server (OAS): 10 - 11

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External links
http://www.johnsoncontrols.com/cyber-solutions/security-advisories
http://www.cisa.gov/uscert/ics/advisories/icsa-22-202-02

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.