Detections
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Johnson Controls Metasys and Facility Explorer Uncontrolled Resource Consumption (CVE-2023-4486)

high Tenable OT Security Plugin ID 501833

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Johnson Controls recommends users update the products to the latest versions:

- Update Metasys NAE55 engines to version 11.0.6
- Update Metasys NAE55 engines to version 12.0.4
- Update Metasys SNE engines to version 11.0.6
- Update Metasys SNE engines to version 12.0.4
- Update Metasys SNC engines to version 11.0.6
- Update Metasys SNC engines to version 12.0.4
- Update Facility Explorer F4-SNC engine to version 11.0.6
- Update Facility Explorer F4-SNC engine to version 12.0.4

For more information, contact your local Johnson Controls office or Authorized Building Control Specialists (ABCS).

For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2023-08 v2.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03

https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Plugin Details

Severity: High

ID: 501833

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 12/14/2023

Updated: 3/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2023-4486

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:johnsoncontrols:nae55_firmware

Required KB Items: Tenable.ot/JohnsonControls

Exploit Ease: No known exploits are available

Patch Publication Date: 12/7/2023

Vulnerability Publication Date: 12/7/2023

Reference Information

CVE: CVE-2023-4486

CWE: 400, 770