Rewterz Threat Advisory – ICS: Multiple Rockwell Automation Products Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-3596 CVSS:9.8

Rockwell Automation products are vulnerable to a denial of service, caused by an out-of-bounds write. By sending specially crafted CIP messages, a remote attacker could exploit this vulnerability to cause a denial of service.

CVE-2023-3595 CVSS:9.8

Rockwell Automation products could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write. By sending specially crafted CIP messages, an attacker could exploit this vulnerability to execute arbitrary code on the system, obtain sensitive information, or cause a denial of service.

Impact

• Denial of Service
• Code Execution

Indicators Of Compromise

CVE

• CVE-2023-3596
• CVE-2023-3595

Affected Vendors

Rockwell Automation

Affected Products

• Rockwell Automation 1756-EN4TR Series A 5.001
• Rockwell Automation 1756-EN4TRK Series A 5.001
• Rockwell Automation 1756-EN2F Series C 11.003
• Rockwell Automation 1756-EN3TR Series B 11.003

Remediation

Refer to Rockwell Automation Web site for patch, upgrade or suggested workaround information.

Rockwell Automation Web site