Summary
A vulnerability has been identified in the integrated S7-1500 CPU of SINUMERIK ONE and SINUMERIK MC products that could allow an attacker to cause a denial of service condition. In order to exploit the vulnerability, an attacker must have access to the affected devices on port 102/tcp.
Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available.
Note: The affected integrated S7-1500 CPUs and related products are advised in [1].
[1]
https://cert-portal.siemens.com/productcert/html/ssa-592380.html
Vulnerabilities 1
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High 7.5
Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to crea…
Revision history
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#3
Revision - Fixing typos
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#2
Added fix for SINUMERIK ONE and SINUMERIK MC
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#1
Publication Date
References
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SSA-280603: Denial of Service Vulnerability in SINUMERIK ONE and SINUMERIK MC - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-280603.html
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ICS Advisory ICSA-23-348-11 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-11
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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