SB2019111106 - Denial of service in Mitsubishi Electric MELSEC-Q Series and MELSEC-L CPU Modules



SB2019111106 - Denial of service in Mitsubishi Electric MELSEC-Q Series and MELSEC-L CPU Modules

Published: November 11, 2019

Security Bulletin ID SB2019111106
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2019-13555)

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

The vulnerability exists due to improper resource management. A remote attacker can trigger resource exhaustion and cause the FTP service to enter a denial-of-service condition dependent on the timing at which a remote attacker connects to the FTP server on the affected CPU modules.


Remediation

Install update from vendor's website.