CVE-2023-4486

moderate-risk
Published 2023-12-07

Under certain circumstances, invalid authentication credentials could be sent to the login endpoint of Johnson Controls Metasys NAE55, SNE, and SNC engines prior to versions 11.0.6 and 12.0.4 and Facility Explorer F4-SNC engines prior to versions 11.0.6 and 12.0.4 to cause denial-of-service.

Do I need to act?

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0.17% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (10)

Nae55 Firmware
Sne22000 Firmware
Sne11000 Firmware
Sne10500 Firmware
Sne110L0 Firmware
Snc25150-0 Firmware
Snc25150-04 Firmware
Snc16120-0 Firmware
Snc16120-04 Firmware
F4-Snc Firmware

Affected Vendors

Johnsoncontrols

References (4)

Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03
Vendor Advisory https://www.johnsoncontrols.com/cyber-solutions/security-advisories
Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03
Vendor Advisory https://www.johnsoncontrols.com/cyber-solutions/security-advisories
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate