CVE-2020-25236 Explained : Impact and Mitigation

A vulnerability has been identified in LOGO! devices manufactured by Siemens that could allow attackers to manipulate control logic, potentially causing the device to crash.

Understanding CVE-2020-25236

This CVE affects various versions of Siemens LOGO! devices, impacting their control logic execution.

What is CVE-2020-25236?

The vulnerability in LOGO! devices allows for the manipulation of control logic, leading to potential device crashes that require manual reset.

The Impact of CVE-2020-25236

The vulnerability could be exploited to disrupt the proper functioning of devices executing the manipulated control logic, necessitating manual intervention for device reset.

Technical Details of CVE-2020-25236

Siemens LOGO! devices are affected by this vulnerability, impacting their control logic execution.

Vulnerability Description

The vulnerability allows for the manipulation of control logic in LOGO! devices, potentially causing device crashes.

Affected Systems and Versions

Siemens LOGO! 12/24RCE (All versions)
Siemens LOGO! 12/24RCEo (All versions)
Siemens LOGO! 230RCE (All versions)
Siemens LOGO! 230RCEo (All versions)
Siemens LOGO! 24CE (All versions)
Siemens LOGO! 24CEo (All versions)
Siemens LOGO! 24RCE (All versions)
Siemens LOGO! 24RCEo (All versions)
SIPLUS LOGO! 12/24RCE (All versions)
SIPLUS LOGO! 12/24RCEo (All versions)
SIPLUS LOGO! 230RCE (All versions)
SIPLUS LOGO! 230RCEo (All versions)
SIPLUS LOGO! 24CE (All versions)
SIPLUS LOGO! 24CEo (All versions)
SIPLUS LOGO! 24RCE (All versions)
SIPLUS LOGO! 24RCEo (All versions)

Exploitation Mechanism

The vulnerability allows attackers to manipulate the control logic of LOGO! devices, potentially leading to device crashes.

Mitigation and Prevention

Steps to address and prevent the exploitation of CVE-2020-25236.

Immediate Steps to Take

Update affected LOGO! devices to the latest firmware versions provided by Siemens.
Implement network segmentation to isolate vulnerable devices.
Monitor network traffic for any suspicious activity targeting LOGO! devices.

Long-Term Security Practices

Regularly update and patch LOGO! devices to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Siemens may release patches or updates to address the vulnerability; ensure timely application of these patches to secure LOGO! devices.