ICSA-20-056-01
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Published 2020-02-25
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View on CISA ICS-CERT ↗
Moxa MB3xxx Series Protocol Gateways
CVSS 9.8
CRITICAL
Risk Summary
Successful exploitation of these vulnerabilities could crash the device, cause a buffer overflow, allow remote execution of arbitrary code, or allow access to sensitive information.
CVEs (8)
Remediations
- MB3170 Series: Download the new firmware.
- MB3270 Series: Download the new firmware.
- MB3180 Series: Download the new firmware. Moxa also recommends users follow below instructions to mitigate potential risks:',https://www.moxa.com/support/product-support/software-and-documentation/search?psid=56829icsa-20-056-01.json ,vendor_fix,Upgrade to the latest firmware and disable HTTP and Telnet communications.,emptyicsa-20-056-01.json,vendor_fix,Use Moxa utilities (MGate Manager NPort Administration Suite Utility) to change device configurations or monitor the device status remotely.'
- Use a VPN tunnel for a secure and protected connection between the devices and host PC.
- MB3280 Series: Download the new firmware.
- MB3480 Series: Download the new firmware.
- MB3660 Series: Download the new firmware.
- Please see Moxa's security advisory for more information.
- MB3180 Series: Download the new firmware. Moxa also recommends users follow below instructions to mitigate potential risks:',https://www.moxa.com/support/product-support/software-and-documentation/search?psid=56829icsa-20-056-01.json,vendor_fix,Upgrade to the latest firmware and disable HTTP and Telnet communications.,emptyicsa-20-056-01.json,vendor_fix,Use Moxa utilities (MGate Manager NPort Administration Suite Utility) to change device configurations or monitor the device status remotely.'
Affected Vendors
Moxa
Affected Products (6)
Moxa
·
MB3280 series
<= 3.0
Moxa
·
MB3270 series
<= 4.0
Moxa
·
MB3170 series
<= 4.0
Moxa
·
MB3480 series
<= 3.0
Moxa
·
MB3660 series
<= 2.2
Moxa
·
MB3180 series
<= 2.0
Affected Sectors
Critical Manufacturing, Energy, Water and Wastewater Systems
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