ICSA-23-285-12
Vulnerability from csaf_cisa - Published: 2023-10-12 06:00 - Updated: 2023-10-12 06:00Summary
Weintek cMT3000 HMI Web CGI
Notes
Legal Notice: All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.
Risk evaluation: Successful exploitation of these vulnerabilities could allow an attacker to hijack control flow and bypass login authentication or execute arbitrary commands.
Critical infrastructure sectors: Critical Manufacturing
Countries/areas deployed: Worldwide
Company headquarters location: Taiwan
Recommended Practices: CISA recommends users take defensive measures to minimize the risk of exploitation of this these vulnerabilities, such as:
Recommended Practices: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
Recommended Practices: Locate control system networks and remote devices behind firewalls and isolating them from business networks.
Recommended Practices: When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.
Recommended Practices: CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices: CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices: CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Recommended Practices: Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Recommended Practices: Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
Recommended Practices: No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.
9.8 (Critical)
Mitigation
Weintek recommends users follow their Upgrade Instructions to update the following products to the latest versions:
https://dl.weintek.com/public/Document/UM0/UM0180…
Vendor Fix
cMT-FHD: OS version 20210211
Vendor Fix
cMT-HDM: OS version 20210205
Vendor Fix
cMT3071: OS version 20210219
Vendor Fix
cMT3072: OS version 20210219
Vendor Fix
cMT3103: OS version 20210219
Vendor Fix
cMT3090: OS version 20210219
Vendor Fix
cMT3151: OS version 20210219
Mitigation
For additional information, refer to Weintek's security bulletin.
https://dl.weintek.com/public/Document/TEC/TEC230…
8.8 (High)
Mitigation
Weintek recommends users follow their Upgrade Instructions to update the following products to the latest versions:
https://dl.weintek.com/public/Document/UM0/UM0180…
Vendor Fix
cMT-FHD: OS version 20210211
Vendor Fix
cMT-HDM: OS version 20210205
Vendor Fix
cMT3071: OS version 20210219
Vendor Fix
cMT3072: OS version 20210219
Vendor Fix
cMT3103: OS version 20210219
Vendor Fix
cMT3090: OS version 20210219
Vendor Fix
cMT3151: OS version 20210219
Mitigation
For additional information, refer to Weintek's security bulletin.
https://dl.weintek.com/public/Document/TEC/TEC230…
9.8 (Critical)
Mitigation
Weintek recommends users follow their Upgrade Instructions to update the following products to the latest versions:
https://dl.weintek.com/public/Document/UM0/UM0180…
Vendor Fix
cMT-FHD: OS version 20210211
Vendor Fix
cMT-HDM: OS version 20210205
Vendor Fix
cMT3071: OS version 20210219
Vendor Fix
cMT3072: OS version 20210219
Vendor Fix
cMT3103: OS version 20210219
Vendor Fix
cMT3090: OS version 20210219
Vendor Fix
cMT3151: OS version 20210219
Mitigation
For additional information, refer to Weintek's security bulletin.
https://dl.weintek.com/public/Document/TEC/TEC230…
References
Acknowledgments
PSIRT
Hank Chen
Threat Research of TXOne Networks
Hank Chen
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"CSAFPID-0004",
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"url": "https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdf"
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"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007"
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{
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"details": "cMT3103: OS version 20210219",
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"details": "cMT3090: OS version 20210219",
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"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007"
],
"url": "https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdf"
}
],
"scores": [
{
"cvss_v3": {
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"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
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"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007"
]
}
]
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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