CVE-2022-31801 Explained : Impact and Mitigation

An unauthenticated, remote attacker could upload malicious logic to the devices based on ProConOS/ProConOS eCLR in order to gain full control over the device.

Understanding CVE-2022-31801

This CVE involves the vulnerability of insufficient verification of data in ProConOS/ProConOS eCLR SDK and MULTIPROG Engineering tool.

What is CVE-2022-31801?

CVE-2022-31801 allows an unauthenticated, remote attacker to upload malicious logic to devices utilizing ProConOS/ProConOS eCLR SDK and MULTIPROG Engineering tool, potentially leading to complete device takeover.

The Impact of CVE-2022-31801

The vulnerability poses a critical threat with a CVSS base score of 9.8 (Critical), high impact on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2022-31801

This section provides further insights into the vulnerability.

Vulnerability Description

The vulnerability stems from insufficient data authenticity verification, enabling attackers to execute unauthorized code on the affected devices.

Affected Systems and Versions

Products impacted include MULTIPROG, ProConOS, and ProConOS eCLR by PHOENIX CONTACT across all versions.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely with low complexity, having a high impact on availability, confidentiality, and integrity without needing any privileges.

Mitigation and Prevention

Protecting systems from CVE-2022-31801 is crucial to maintain security.

Immediate Steps to Take

Organizations should apply security patches promptly, restrict network access to vulnerable devices, and monitor for any suspicious activities.

Long-Term Security Practices

Implementing network segmentation, access controls, regular security audits, and employee training on cybersecurity best practices are essential for long-term security.

Patching and Updates

Regularly update and apply patches provided by PHOENIX CONTACT to address the vulnerability.