CVE-2023-4486

Name: CVE-2023-4486
Creator: NVD / NIST
Published: 2023-12-07T20:15:38.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2023-4486 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. . EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.83%

52.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Johnsoncontrols	Nae55 Firmware	< 12.0.4
Johnsoncontrols	Sne22000 Firmware	< 12.0.4
Johnsoncontrols	Sne11000 Firmware	< 12.0.4
Johnsoncontrols	Sne10500 Firmware	< 12.0.4
Johnsoncontrols	Sne110l0 Firmware	< 12.0.4
Johnsoncontrols	Snc25150-0 Firmware	< 12.0.4
Johnsoncontrols	Snc25150-04 Firmware	< 12.0.4
Johnsoncontrols	Snc16120-0 Firmware	< 12.0.4
Johnsoncontrols	Snc16120-04 Firmware	< 12.0.4
Johnsoncontrols	F4-Snc Firmware	< 11.0.6
Johnsoncontrols	F4-Snc Firmware	>= 12.0.0, < 12.0.4

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03Third Party Advisory, US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory

Timeline

Published: Dec 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4486?

How severe is CVE-2023-4486?

CVE-2023-4486 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4486?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4486?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST