1. EXECUTIVE SUMMARY
- CVSS v3 5.5
- ATTENTION: Low attack complexity
- Vendor: Omron
- Equipment: Sysmac Studio
- Vulnerability: Improper Authorization
2. RISK EVALUATION
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of Omron engineering software are affected:
- Sysmac Studio: version 1.54 and prior
3.2 Vulnerability Overview
3.2.1 IMPROPER AUTHORIZATION CWE-285
Omron engineering applications install executables with low privileged user “write” permissions. This could allow an attacker to alter the files to execute arbitrary code.
CVE-2022-45793 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).
3.3 BACKGROUND
- CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
- COUNTRIES/AREAS DEPLOYED: Worldwide
- COMPANY HEADQUARTERS LOCATION: Japan
3.4 RESEARCHER
Reid Wightman of Dragos reported this vulnerability to CISA.
4. MITIGATIONS
OMRON recommends the following general mitigation measures to minimize the risk of exploitation of this vulnerability:
- Anti-virus protection
- Protect any PC with access to the control system against malware and ensure installation and maintenance of up-to-date commercial grade anti-virus software protection.
- Security measures to prevent unauthorized access
- Minimize connection of control systems and equipment to open networks, so that untrusted devic
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- Minimize connection of control systems and equipment to open networks, so that untrusted devic