SB2021120805 - Multiple vulnerabilities in Hitachi Energy XMC20 and FOX61x



SB2021120805 - Multiple vulnerabilities in Hitachi Energy XMC20 and FOX61x

Published: December 8, 2021

Security Bulletin ID SB2021120805
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Weak password requirements (CVE-ID: CVE-2021-40333)

CWE-ID: CWE-521 - Weak Password Requirements

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows an attacker to perform brute-force attack and guess the password.

The vulnerability exists due to weak password requirements. A remote administrator can perform a brute-force attack and gain unauthorized access to the DCN routing configuration.


2) Missing Handler (CVE-ID: CVE-2021-40334)

CWE-ID: CWE-431 - Missing Handler

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the implementation of the proprietary management protocol. A remote attacker can cause a disruption to the NMS and NE communication.


Remediation

Install update from vendor's website.