#VU47504 Resource exhaustion in MELSEC iQ-R series - CVE-2020-16850

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU47504

#VU47504 Resource exhaustion in MELSEC iQ-R series - CVE-2020-16850

Published: October 12, 2020


Vulnerability identifier: #VU47504
Vulnerability risk: Medium
CVSSv4.0: 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
CVE-ID: CVE-2020-16850
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MELSEC iQ-R series
Software vendor:
Mitsubishi Electric

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can send specially crafted packets, trigger resource exhaustion and perform a denial of service (DoS) attack.

This vulnerability affects the following versions of MELSEC iQ-R series modules:

  • R00/01/02CPU, all versions
  • R04/08/16/32/120(EN)CPU, all versions
  • R08/16/32/120SFCPU, all versions
  • R08/16/32/120PCPU, all versions
  • R16/32/64MTCPU, all versions

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links