Summary
RUGGEDCOM ROX II devices do not properly limit access through their Built-In-Self-Test (BIST) mode. This could allow a local attacker to bypass authentication and access a root shell on the device.
Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
Vulnerabilities 1
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High 7.6
A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions), RUGGEDCOM ROX MX5000RE (All versions), RUGG…
Revision history
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#1
Publication Date
References
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SSA-094954: Authentication Bypass Vulnerability in BIST mode of RUGGEDCOM ROX II - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-094954.html
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ICS Advisory ICSA-25-226-20 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-25-226-20
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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