Summary
Successful exploitation of this vulnerability could cause a denial-of-servicecondition in the Ethernet port on the CPU module.
Vulnerabilities 1
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Unscored —
Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02…
Revision history
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#6
Update E - Update to the affected products and mitigations
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#5
Update D - Update to the researcher section and affected products
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#4
Update C - Added additional affected products
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#3
Update B - Added additional affected products
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#2
Update A - Added an affected product
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#1
Initial Publication
References
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ICSA Advisory ICSA-20-303-01 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-20-303-01
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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://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://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
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Recommended Practices
https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ncas/tips/ST04-014