CVE-2026-34498 PUBLISHED

L4L

Assigner: jci
Reserved: 30.03.2026 Published: 06.10.2026 Updated: 06.10.2026

Improper input validation vulnerability in Johnson Controls Illustra Standard - L4L China on Windows allows OS Command Injection.

This issue affects Illustra Standard - L4L China: before 6.0.0.66394.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:H/SA:L
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	High
Attack Requirements	Present	Availability	None	Availability	Low
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Vendor	Johnson Controls
Product	Illustra Standard - L4L China
Versions	Default: unaffected affected from 0 to 6.0.0.66394 (excl.)