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CVE-2024-2421

LenelS2 NetBox Improper Neutralization of Special Elements

Published: May 30, 2024Updated: Feb 2, 2026 Sources: CVE List NVD BDU csafCWE-78
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.5%
Top 59.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

NetBoxLenelS2
On-prem
Security Products / identity-access-mgmt
lenels2 netboxhoneywellICS / OT / IoT
lenels2commercialSecurity Productsaka lenels2, lnl-4420, lnl-x2210, lnl-x2220
honeywellcommercialUSICS / OT / IoTaka experion server, saia pg5 controls suite, experion pks

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://claroty.com/team82/disclosure-dashboard/cve-2024-2421
claroty.com
https://www.cisa.gov/news-events/ics-advisories/icsa-24-151-01
cisa.gov
https://www.corporate.carrier.com/Images/CARR-PSA-2024-01-NetBox_tcm558-227956.pdf
corporate.carrier.com
and 20 more references View all →

Timeline

Published
May 30, 2024
Last Updated
Feb 2, 2026

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