Siemens SIMATIC S7-300 CPUs and SINUMERIK Controller over Profinet (Update A)

Vulnerabilities 1

• High 7.5
  CVE-2019-18336

  A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All ve…

  Siemens SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) SIMATIC TDC CP51M1 SIMATIC TDC CPU555 ICS / OT
  Mar 10, 2020

Revision history

1. 2020-03-10 #1

   Publication Date

References

• SSA-508982: Denial-of-Service Vulnerability in SIMATIC S7-300 CPUs, SIMATIC TDC, and SINUMERIK Controller over Profinet - HTML Version
  https://cert-portal.siemens.com/productcert/html/ssa-508982.html
• ICS Advisory ICSA-20-070-02 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-20-070-02
• Recommended Practices
  https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
• Recommended Practices
  https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
• Recommended Practices
  https://www.cisa.gov/topics/industrial-control-systems
• Recommended Practices
  https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
• Recommended Practices
  https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B