CVE-2024-8626

Logix Controllers Vulnerable to Denial-of-Service Vulnerability

Description

Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. A malicious actor could exploit this vulnerability by performing multiple actions on certain web pages of the product causing the affected products to become fully unavailable and require a power cycle to recover.

Remediation

Solution:

  • Affected Product      First Known in firmware Revision         Corrected in Firmware Revision         CompactLogix 5380 controllers         v33.011 <                     * v33.015 and later for versions 33     * v34.011 and later               Compact GuardLogix® 5380 controllers         v33.011<         CompactLogix 5480 controllers         v33.011<         ControlLogix 5580 controllers         v33.011<         GuardLogix 5580 controllers         v33.011<         1756-EN4TR         v3.002         * 4.001 and later     Mitigations and Workarounds Customers using the affected versions are encouraged to upgrade to corrected firmware versions. We also strongly encourage customers to implement our suggested security best practices to minimize the risk of the vulnerability. * Security Best Practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight

Categories

8.7
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory rockwellautomation.com
Affected: Rockwell Automation CompactLogix 5380 controllers
Affected: Rockwell Automation Compact GuardLogix® 5380 controllers
Affected: Rockwell Automation CompactLogix 5480 controllers
Affected: Rockwell Automation GuardLogix 5580 controllers
Affected: Rockwell Automation 1756-EN4TR
Published at:
Updated at:

References

Link Tags
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1706.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-8626?
CVE-2024-8626 has been scored as a high severity vulnerability.
How to fix CVE-2024-8626?
To fix CVE-2024-8626: Affected Product      First Known in firmware Revision         Corrected in Firmware Revision         CompactLogix 5380 controllers         v33.011 <                     * v33.015 and later for versions 33     * v34.011 and later               Compact GuardLogix® 5380 controllers         v33.011<         CompactLogix 5480 controllers         v33.011<         ControlLogix 5580 controllers         v33.011<         GuardLogix 5580 controllers         v33.011<         1756-EN4TR         v3.002         * 4.001 and later     Mitigations and Workarounds Customers using the affected versions are encouraged to upgrade to corrected firmware versions. We also strongly encourage customers to implement our suggested security best practices to minimize the risk of the vulnerability. * Security Best Practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight
Is CVE-2024-8626 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-8626 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-8626?
CVE-2024-8626 affects Rockwell Automation CompactLogix 5380 controllers, Rockwell Automation Compact GuardLogix® 5380 controllers, Rockwell Automation CompactLogix 5480 controllers, Rockwell Automation GuardLogix 5580 controllers, Rockwell Automation 1756-EN4TR.
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