SB2021120321 - Remote code execution in Hitachi Energy Relion 670/650/SAM600-IO
Published: December 3, 2021
Security Bulletin ID
SB2021120321
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2021-35535)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the early boot process of the product in which there is a tiny time gap where a previous version of VxWorks is loaded prior to booting up the complete application firmware. A remote attacker can execute arbitrary code on the target device before the operating system is loaded.
Remediation
Install update from vendor's website.