SB2022062222 - Denial of service in Mitsubishi Electric MELSEC Q and L Series



SB2022062222 - Denial of service in Mitsubishi Electric MELSEC Q and L Series

Published: June 22, 2022

Security Bulletin ID SB2022062222
CSH 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 vulnerability.


1) Origin validation error (CVE-ID: CVE-2022-24946)

CWE-ID: CWE-346 - Origin Validation Error

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:Green


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

The vulnerability exists due to improper resource locking. A remote attacker can send a specially crafted packet and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.