CVE-2020-25191 Explained : Impact and Mitigation

This CVE involves incorrect permissions in CompactRIO driver versions prior to 20.5, allowing unauthorized users to trigger a function that could remotely reboot the device.

Understanding CVE-2020-25191

This vulnerability stems from default permissions that enable non-authenticated users to execute a function leading to a remote reboot of CompactRIO.

What is CVE-2020-25191?

The vulnerability allows unauthorized users to exploit an API entry-point in a specific service, potentially causing a remote reboot of CompactRIO devices running driver versions prior to 20.5.

The Impact of CVE-2020-25191

The vulnerability poses a risk of unauthorized remote reboots of affected CompactRIO devices, potentially disrupting operations and causing downtime.

Technical Details of CVE-2020-25191

This section delves into the technical aspects of the CVE.

Vulnerability Description

The issue arises from incorrect default permissions on a specific service's API entry-point, enabling non-authenticated users to trigger a function that could lead to remote device reboots.

Affected Systems and Versions

Product: CompactRIO
Vendor: n/a
Versions Affected: Driver versions prior to 20.5

Exploitation Mechanism

Unauthorized users can exploit the vulnerability by accessing the API entry-point of the service, triggering a function that initiates a remote reboot of CompactRIO devices.

Mitigation and Prevention

Protecting systems from CVE-2020-25191 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update CompactRIO driver to version 20.5 or newer to mitigate the vulnerability.
Implement network segmentation to restrict unauthorized access to critical devices.
Monitor system logs for any unauthorized access attempts.

Long-Term Security Practices

Regularly review and update permissions and access controls on critical resources.
Conduct security training for personnel to raise awareness of potential threats and best practices.

Patching and Updates

Apply security patches and updates promptly to ensure systems are protected against known vulnerabilities.