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Fencer Vulns
medium 6.5

CVE-2024-7507 json

Rockwell Automation ControlLogix/GuardLogix 5580 and CompactLogix/Compact GuardLogix® 5380 Controller Denial-of-Service Vulnerability via Input Validation

published 2024-08-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-48420

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

CVE-2024-7507 IMPACT

A denial-of-service vulnerability exists in the affected products. This vulnerability occurs when a malformed PCCC message is received, causing a fault in the controller.

Patch / fix

  • rockwellautomation compactlogix_5380_firmware 34.014
  • rockwellautomation controllogix_5580_firmware 34.014
  • rockwellautomation guardlogix_5580_firmware 34.014
  • rockwellautomation compact_guardlogix_5380_sil_2_firmware 34.014
  • rockwellautomation compact_guardlogix_5380_sil_3_firmware 34.014
  • rockwellautomation compactlogix_5480_firmware 34.014

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-226-09 updated cvss 7.5

Rockwell Automation ControlLogix, GuardLogix 5580, CompactLogix, Compact GuardLogix 5380

  • Rockwell Automation Compact GuardLogix 5380 (5069 - L3zS2) <v36.011_v35.013_v34.014 Rockwell Automation CompactLogix 5380 (5069 - L3z) <v36.011_v35.013_v34.014 Rockwell Automation CompactLogix 5480 (5069 - L4) <v36.011_v35.013_v34.014 Rockwell Automation ControlLogix 5580 (1756 - L8z) <v36.011_v35.013_v34.014 Rockwell Automation GuardLogix 5580 (1756 - L8z) <v36.011_v35.013_v34.014
    affected: mitigation “Rockwell Automation recommends the following actions:” rockwellautomation.custhelp.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Rockwell Automation CompactLogix 5380 (5069 – L3z)
  • Rockwell Automation ControlLogix® 5580 (1756 –L8z)
  • Rockwell Automation GuardLogix 5580 (1756-L8z)
  • Rockwell Automation Compact GuardLogix 5380 (5069- L3zS2)
  • Rockwell Automation CompactLogix 5480 (5069-L4)
  • rockwellautomation controllogix_5380_firmware
  • rockwellautomation controllogix_5580_firmware
  • rockwellautomation guardlogix_5580_firmware
  • rockwellautomation compact_guardlogix_5380_firmware
  • rockwellautomation compactlogix_5480_firmware

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.