Westermo Industrial Switch Hard-coded Certificate Vulnerability (Update A)

Vulnerabilities 1

• Unscored —
  CVE-2015-7923

  Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it eas…

  Jan 30, 2016

Revision history

1. 2025-06-05 #2

   Advisory converted into a CSAF

2. 2016-10-31 #1

   Initial Publication

References

• ICS Advisory ICSA-16-028-01A - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-16-028-01a
• 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
• Recommended Practices
  https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ncas/tips/ST04-014