CVE-2024-7507

Name: CVE-2024-7507
Creator: NVD / NIST
Published: 2024-08-14T20:15:12.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2024-7507 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

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

CVSS 4.0

8.7/10

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

EPSS Probability

0.50%

38.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Rockwellautomation	Compactlogix 5380 Firmware	>= 28.011, < 34.014
Rockwellautomation	Compactlogix 5380 Firmware	35.011
Rockwellautomation	Controllogix 5580 Firmware	>= 28.011, < 34.014
Rockwellautomation	Controllogix 5580 Firmware	35.011
Rockwellautomation	Guardlogix 5580 Firmware	>= 31.011, < 34.014
Rockwellautomation	Guardlogix 5580 Firmware	35.011
Rockwellautomation	Compact Guardlogix 5380 Sil 2 Firmware	>= 31.011, < 34.014
Rockwellautomation	Compact Guardlogix 5380 Sil 2 Firmware	35.011
Rockwellautomation	Compact Guardlogix 5380 Sil 3 Firmware	>= 32.013, < 34.014
Rockwellautomation	Compact Guardlogix 5380 Sil 3 Firmware	35.011
Rockwellautomation	Compactlogix 5480 Firmware	>= 32.011, < 34.014
Rockwellautomation	Compactlogix 5480 Firmware	35.011

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD%201685.htmlVendor Advisory

Timeline

Published: Aug 14, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-7507?

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.

How severe is CVE-2024-7507?

CVE-2024-7507 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2024-7507?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-7507?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST