Exposed dangerous method or function in Honeywell International, Inc products - CVE-2023-5389

Vulnerability identifier: #VU89014

CSH Severity: High

CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-5389

CWE-ID: CWE-749

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the system.

The vulnerability exists due to exposed dangerous method or function. A remote attacker can modify files on Experion controllers or SMSC S300.

Safety Manager
Safety Manager SC
Experion PKS
Experion PlantCruise
Experion LX

Install updates from vendor's website.

Experion PKS - addressed in versions R510.2 HF14, R511.5 TCU4 HF4, R520.1 TCU5, R520.2 TCU4 HF2
Experion LX - addressed in versions R511.5 TCU4 HF4, R520.1 TCU5, R520.2 TCU4 HF2
Experion PlantCruise - addressed in versions R511.5 TCU4 HF4, R520.1 TCU5, R520.2 TCU4 HF2

• https://www.cisa.gov/news-events/ics-advisories/icsa-24-116-04

• Multiple vulnerabilities in Honeywell Experion PKS, Experion LX, PlantCruise by Experion, Safety Manager and Safety Manager SC