CVE-2024-2420: Honeywell LENELS2 Netbox

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

LenelS2 NetBox access control and event monitoring system was discovered to contain Hardcoded Credentials in versions prior to and including 5.6.1 which allows an attacker to bypass authentication requirements.

Affected products

• Honeywell LENELS2 Netbox: before 5.6.2 (fixed in 5.6.2)

Published 2024-05-30. Last modified 2026-06-17.