Summary
Successful exploitation of these vulnerabilities could allow a low-level user to alter privileges and gain full control to the device.
Vulnerabilities 2
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High 8.7
External Control of Assumed-Immutable Web Parameter in Weintek cMT X Series HMI EasyWeb Service
The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable. A low-privileged user can modify the parameters and potentially manipulate account-level privileges.
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High 8.7
Unverified Password Change in Weintek cMT X Series HMI EasyWeb Service
A low-privileged user can bypass account credentials without confirming the user's current authentication state, which may lead to unauthorized privilege escalation.
Revision history
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#1
Initial Publication
References
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ICSA Advisory ICSA-26-022-05 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-05
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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/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/sites/default/files/publications/emailscams0905.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ncas/tips/ST04-014
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.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/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b
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Recommended Practices
https://www.cisa.gov/secure-our-world/teach-employees-avoid-phishing
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Recommended Practices
https://www.cisa.gov/news-events/news/avoiding-social-engineering-and-phishing-attacks