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CVE-2024-2421

Honeywell Lenels2 Netbox command injection

9.8 CRITICALEPSS 0.52%
  1. Published30 May 2024

Description

LenelS2 NetBox access control and event monitoring system was discovered to contain an unauthenticated RCE in versions prior to and including 5.6.1, which allows an attacker to execute malicious commands with elevated permissions.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Honeywell Lenels2 Netbox< 5.6.2

Remediation

Fixed in
Honeywell Lenels2 Netbox≥ 5.6.2

References

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Frequently asked

Is CVE-2024-2421 being actively exploited?

CVE-2024-2421 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.52%.

How severe is CVE-2024-2421?

CVE-2024-2421 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.52% probability of exploitation.

Which products are affected by CVE-2024-2421?

Affected products include Honeywell Lenels2 Netbox.

How do I fix CVE-2024-2421?

Upgrade affected software to a fixed version, for example Honeywell Lenels2 Netbox 5.6.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-2421 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.