SB2021011101 - Denial of service in Rockwell Automation RSLinx Classic



SB2021011101 - Denial of service in Rockwell Automation RSLinx Classic

Published: January 11, 2021

Security Bulletin ID SB2021011101
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 security vulnerability.


1) Use of Out-of-range Pointer Offset (CVE-ID: CVE-2020-13573)

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

The vulnerability exists due to improper input validation in the Ethernet/IP server functionality. A remote atttacker can send a specially crafted request and cause a denial of service condition on the targe system.


Remediation

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