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Rewterz Threat Advisory – ICS: Omron CX-One Code Execution Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2020-27259

The affected product may allow an attacker to supply a pointer to arbitrary memory locations, which may allow an attacker to remotely execute arbitrary code.

CVE-2020-27261

The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.

CVE-2020-27257

This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition.

Impact

Execute arbitrary code

Affected Vendors

Omron

Affected Products

  • CX-Protocol Versions 2.02 and prior
  • CX-Server Versions 5.0.28 and prior
  • CX-Position Versions 2.52 and prior

Remediation

Omron has released an updated version of CX-One to address the reported vulnerabilities. These releases are available through the CX-One auto-update service and are as follows:

  • CX-Protocol Version 2.03
  • CX-Server Version 5.0.29
  • CX-Position Version 2.53