SB2022010504 - Denial of service in Mitsubishi Electric GX Works2
Published: January 5, 2022
Security Bulletin ID
SB2022010504
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Handling of Length Parameter Inconsistency (CVE-ID: CVE-2021-20608)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handlingof length field that is inconsistent with the actual length of the associated data. A remote attacker can send a specially crafted packet to the PLC and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.