ICSA-21-341-01
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Published 2021-12-07
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View on CISA ICS-CERT ↗
Hitachi Energy RTU500 OpenLDAP
CVSS 7.5
HIGH
Risk Summary
Successful exploitation of these vulnerabilities could cause a denial-of-service condition in the affected version of the RTU500 series product.
CVEs (2)
Remediations
- RTU500 series CMU: Firmware Versions 12.4.X to Version 12.4.11 (to be released by end of January 2022)
- RTU500 series CMU: Firmware Versions 12.6.X to Version 12.6.7
- RTU500 series CMU: Firmware Versions 12.7.X to Version 12.7.2
- RTU500 series CMU: Firmware Versions 13.0.X to Version 13.2.3
- RTU500 series CMU: Firmware Versions 13.1.X to Version 13.2.3
- RTU500 series CMU: Firmware Versions 13.2.X to Version 13.2.3
- As the vulnerabilities affect only the RTU500 series in which CAM function is configured and enabled, a possible mitigation is to disable the CAM function if it is not used.
- The CAM function is disabled by default.
- Physically protect process control systems from direct access by unauthorized personnel.
- Do not directly connect to the Internet.
- Separate from other networks by means of a firewall system that has a minimal number of ports exposed.
- Process control systems should not be used for Internet surfing, instant messaging, or receiving emails.
- Portable computers and removable storage media should be carefully scanned for viruses before they are connected to a control system. Please see Hitachi Energy advisory 8DBD000066 for further mitigation and update information.
Affected Vendors
Hitachi Energy
Affected Products (6)
Hitachi Energy
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RTU500 Series CMU
12.6.X
Hitachi Energy
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RTU500 Series CMU
13.0.X
Hitachi Energy
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RTU500 Series CMU
13.2.1
Hitachi Energy
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RTU500 Series CMU
12.7.X
Hitachi Energy
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RTU500 Series CMU
13.1.X
Hitachi Energy
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RTU500 Series CMU
12.4.X
Affected Sectors
Energy
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