#VU83988 Resource exhaustion in Johnson Controls products - CVE-2023-4486

Vulnerability identifier: #VU83988

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-4486

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Metasys Network Automation Engine (NAE55)
Hardware solutions / Other hardware appliances
Metasys SNE engines
Hardware solutions / Other hardware appliances
Metasys SNC engines
Hardware solutions / Other hardware appliances
Facility Explorer F4-SNC
Hardware solutions / Other hardware appliances

Vendor: Johnson Controls

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Metasys Network Automation Engine (NAE55): before 12.0.4

Metasys SNE engines: before 12.0.4

Metasys SNC engines: before 12.0.4

Facility Explorer F4-SNC: before 11.0.6

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External links
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03

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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.