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Rewterz Threat Advisory – Multiple Google Chrome Vulnerabilities
December 8, 2021
Rewterz Threat Alert – Emotet – Active IOCs
December 8, 2021

Rewterz Threat Advisory – ICS: Hitachi Energy XMC20 FOX61x and RTU500 OpenLDAP

December 8, 2021

Severity

High

Analysis Summary

CVE-2021-40333

This vulnerability is a weak default credential associated with TCP Port 26. Successful exploitation of this vulnerability could allow an attacker to gain unauthorized access to the DCN routing configuration.

CVE-2021-40334

This vulnerability is due to the implementation of the proprietary management protocol (TCP Port 5558), in which if SSH is activated, could cause a disruption to the NMS and NE communication.

CVE-2020-36229

A vulnerability exists in the affected OpenLDAP versions leading to an LDAP service crash in the parsing of a keystring, resulting in a denial-of-service condition.

CVE-2020-36230

A vulnerability exists in the affected OpenLDAP versions leading in an assertion failure in an LDAP service in the parsing of a file, resulting in a denial-of-service condition.

Impact

  • Unauthorized Access

Affected Vendors

  • Hitachi Energy

Affected Products

  • XMC20: All versions prior to R15A
  • FOX61x: All versions prior to R15A
  • RTU500 Series CMU Firmware Version 12.4.X
  • RTU500 Series CMU Firmware Version 12.6.X
  • RTU500 Series CMU Firmware Version 12.7.X
  • RTU500 Series CMU Firmware Version 13.0.X
  • RTU500 Series CMU Firmware Version 13.1.X
  • RTU500 Series CMU Firmware Version 13.2.1

Remediation

Refer to CISA Advisory for the patch, upgrade, or suggested workaround information.

Hitachi Energy XMC20 and FOX61x

https://us-cert.cisa.gov/ics/advisories/icsa-21-341-02

Hitachi Energy RTU500 OpenLDAP

https://us-cert.cisa.gov/ics/advisories/icsa-21-341-01

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