Summary
Successful exploitation of this vulnerability may allow an attacker to send specially crafted CIP packet requests to a controller, which may cause denial-of-service conditions in communications with other products.
Vulnerabilities 1
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Medium 5.8
Rockwell Automation CompactLogix 5370 and ControlLogix 5570 Controllers Improper Input Validation
The connection establishment algorithm found in Rockwell Automation CompactLogix 5370 and ControlLogix 5570 versions 33 and prior does not sufficiently manage its control flow during execution, creating an infinite loop. This may allow an attacker to send spe…
Revision history
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#2
ICSA-21-061-02 Rockwell Automation CompactLogix 5370 and ControlLogix 5570 Controllers (Update A)
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#1
ICSA-21-061-02 Rockwell Automation CompactLogix 5370 and ControlLogix 5570 Controllers
References
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ICS Advisory ICSA-21-061-02 Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-21-061-02
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Recommended Practices
https://us-cert.cisa.gov/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://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B