Summary
Successful exploitation of this vulnerability could allow an unauthenticated attacker to take administrative control of Unitronics Vision and Samba series systems and use a default administrative password.
Vulnerabilities 1
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Critical 9.8CVE-2023-6448 Exploited
Unitronics VisiLogic uses a default administrative password
Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.
KEV Dec 11, 2023
Revision history
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#2
Update A - Added additional equipment, product, mitigations, and a link to the Unitronics advisory. Adjusted risk evaluation statement.
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#1
Initial Publication
References
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ICSA Advisory ICSA-23-348-15 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-15
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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/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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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://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/uscert/ics/tips/ICS-TIP-12-146-01B