SB2020030404 - Denial of service in Omron PLC CJ Series



SB2020030404 - Denial of service in Omron PLC CJ Series

Published: March 4, 2020

Security Bulletin ID SB2020030404
CSH Severity
Medium
Patch available
NO
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) Resource exhaustion (CVE-ID: CVE-2020-6986)

CWE-ID: CWE-400 - Resource exhaustion

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 management in excessive malformed packet processing. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack on the PLC service.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.