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Vulnerability record · CVE-2024-3493 · published 15 April 2024

CVE-2024-3493: Rockwellautomation controllogix 5580 firmware improper input validation vulnerability

Rockwellautomation · Controllogix 5580 Firmware

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, 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.

7.5 CVSS 3.1 High EPSS 0.64% · top 51.5% CWE-20 · Improper input validation
7.5CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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, 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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.rockwellautomation.com/en-us/support/advisory.SD1666.html Broken Link
https://www.rockwellautomation.com/en-us/support/advisory.SD1666.html Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-1161Rockwellautomation compactlogix 1768-l43 firmware inclusion from untrusted sphere vulnerabilityAn attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix, and GuardLogix Control systems…EPSS 5.2%8.7CVE-2024-6207Rockwellautomation controllogix 5580 firmware improper input validation vulnerabilityCVE 2021-22681 https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.PN1550.html  and send a specially crafted CIP messa…EPSS 0.55%8.7CVE-2024-8626Rockwellautomation compactlogix 5380 firmware uncontrolled resource consumption vulnerabilityDue to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. A malicious actor could exploit this vul…EPSS 0.52%8.7CVE-2024-6077Rockwellautomation compactlogix 5380 firmware improper input validation vulnerabilityA denial-of-service vulnerability exists in the Rockwell Automation affected products when specially crafted packets are sent to the CIP Security Obj…EPSS 0.56%8.7CVE-2024-7515Rockwellautomation compactlogix 5380 firmware improper input validation vulnerabilityCVE-2024-7515 IMPACT A denial-of-service vulnerability exists in the affected products. A malformed PTP management packet can cause a major nonrecove…EPSS 0.52%8.7CVE-2024-7507Rockwellautomation compactlogix 5380 firmware improper input validation vulnerabilityCVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products. This vulnerability occurs when a malformed PCCC message is re…EPSS 0.50%8.6CVE-2022-1797Rockwellautomation compactlogix 5380 firmware uncontrolled resource consumption vulnerabilityA malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix …EPSS 2.1%8.3CVE-2024-5659Rockwellautomation controllogix 5580 firmware vulnerabilityRockwell Automation was made aware of a vulnerability that causes all affected controllers on the same network to result in a major nonrecoverable fa…EPSS 0.31%

Source: NIST National Vulnerability Database (record CVE-2024-3493), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.