CVE-2020-12001 Explained : Impact and Mitigation

FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior, Connected Components Workbench: Version 12 and prior, ControlFLASH: Version 14 and later, ControlFLASH Plus: Version 1 and later, FactoryTalk Asset Centre: Version 9 and later, FactoryTalk Linx CommDTM: Version 1 and later, Studio 5000 Launcher: Version 31 and later, Studio 5000 Logix Designer software: Version 32 and prior are vulnerable to improper input validation (CWE-20). The parsing mechanism lacks input sanitation, potentially enabling attackers to manipulate files, access sensitive data, or execute arbitrary code.

Understanding CVE-2020-12001

This CVE identifies a vulnerability in various Rockwell Automation software products that could be exploited by malicious actors.

What is CVE-2020-12001?

The vulnerability arises from the inadequate input validation in the file parsing mechanism of the affected software versions, allowing attackers to compromise system integrity.

The Impact of CVE-2020-12001

The vulnerability could lead to unauthorized access, data exposure, or the execution of arbitrary code, posing significant risks to affected systems.

Technical Details of CVE-2020-12001

The following technical details outline the specifics of the CVE.

Vulnerability Description

Improper input validation vulnerability (CWE-20) in Rockwell Automation software products
Parsing mechanism lacks input sanitation, enabling potential exploitation

Affected Systems and Versions

FactoryTalk Linx versions 6.00, 6.10, and 6.11
RSLinx Classic v4.11.00 and earlier
Connected Components Workbench: Version 12 and prior
ControlFLASH: Version 14 and later
ControlFLASH Plus: Version 1 and later
FactoryTalk Asset Centre: Version 9 and later
FactoryTalk Linx CommDTM: Version 1 and later
Studio 5000 Launcher: Version 31 and later
Studio 5000 Logix Designer software: Version 32 and prior

Exploitation Mechanism

The vulnerability allows attackers to use specially crafted files to traverse the file system, potentially modifying or exposing sensitive data or executing arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2020-12001 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly
Implement network segmentation to limit exposure
Monitor for any suspicious activities or file manipulations

Long-Term Security Practices

Regularly update software and firmware to the latest versions
Conduct security assessments and penetration testing
Educate users on safe file handling practices

Patching and Updates

Rockwell Automation may release patches or updates to address the vulnerability
Stay informed about security advisories and apply patches as soon as they are available