Summary
VersiCharge AC Series EV Chargers contain two vulnerabilities that could allow an attacker to gain control of the chargers through default Modbus port or execute arbitrary code by manipulating the M0 firmware.
Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.
Vulnerabilities 2
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High 8.8
A vulnerability has been identified in IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0) (All versions < V2.135), IEC 1Ph…
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Medium 4.2
A vulnerability has been identified in IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0) (All versions), IEC 1Ph 7.4kW Ch…
Revision history
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#1
Publication Date
References
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SSA-556937: Multiple Vulnerabilities in VersiCharge AC Series EV Chargers - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-556937.html
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ICS Advisory ICSA-25-135-08 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-25-135-08
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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