Vulnerability identifier: #VU62369

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36205

CWE-ID: CWE-459

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 compromise the target system.

The vulnerability exists due to the session token is not cleared upon log out. A remote attacker can use a session token that has not been cleared upon log out of an authenticated user.

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.cisa.gov/uscert/ics/advisories/icsa-22-104-02
http://www.johnsoncontrols.com/cyber-solutions/security-advisories

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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.