Cyber Resilience

CVE-2024-3493

High

Published: 15 April 2024

Published
15 April 2024
Modified
04 March 2025
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score 0.0005 14.8th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-3493 is a high-severity Improper Input Validation (CWE-20) vulnerability in Rockwellautomation Controllogix 5580 Firmware. Its CVSS base score is 8.6 (High).

Operationally, ranked at the 14.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's ControlLogix 5580, Guard Logix 5580, CompactLogix 5380, and 1756-EN4TR. If exploited,…

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the affected product will become unavailable and require a manual restart to recover it. Additionally, an MNRF could result in a loss of view and/or control of connected devices.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

rockwellautomation
controllogix 5580 firmware
35.011
rockwellautomation
guardlogix 5580 firmware
35.011
rockwellautomation
compactlogix 5380 firmware
35.011
rockwellautomation
compact guardlogix 5380 firmware
35.011
rockwellautomation
1756-en4tr firmware
5.001
rockwellautomation
controllogix 5580 process firmware
35.011
rockwellautomation
compactlogix 5380 process firmware
35.011
rockwellautomation
compactlogix 5480 firmware
35.011

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References