Summary
A Denial-of-Service vulnerability was found affecting the ARP protocol on RWG Universal Controller devices.
Siemens has released updates for the affected products and recommends to update to the latest versions.
Vulnerabilities 1
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Unscored —
A vulnerability has been identified in RWG1.M12 (All versions < V1.16.16), RWG1.M12D (All versions < V1.16.16), RWG1.M8…
Revision history
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#2
Revision - Fixing typos
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#1
Publication Date
References
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SSA-448291: Denial-of-Service Vulnerability in ARP Protocol of RWG Universal Controllers - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-448291.txt
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SSA-448291: Denial-of-Service Vulnerability in ARP Protocol of RWG Universal Controllers - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-448291.pdf
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ICS Advisory ICSA-21-194-14 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-21-194-14
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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/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/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B