Summary
Successful exploitation of these vulnerabilities could allow malicious actors to gain remote access of the running memory of the module and perform malicious activity.
Vulnerabilities 2
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Critical 9.8
Rockwell Automation ControlLogix Communication Modules Vulnerable to Remote Code Execution
Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* ControlLogix communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP mess…
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High 7.5
Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service
Where this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.
Revision history
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#1
Initial Publication
References
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ICSA Advisory ICSA-23-193-01 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-193-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B