CVE-2022-43545 : What You Need to Know

A vulnerability has been identified in POWER METER SICAM Q100 and SICAM P850 devices, allowing an attacker to execute arbitrary code or crash the affected devices. Here is a detailed overview of CVE-2022-43545.

Understanding CVE-2022-43545

This section delves into the description, impact, technical details, and mitigation strategies related to the CVE-2022-43545 vulnerability.

What is CVE-2022-43545?

The vulnerability in POWER METER SICAM Q100 and SICAM P850 devices arises from improper validation of the RecordType-parameter in requests to the web interface on port 443/tcp. This flaw could enable an authenticated remote attacker to crash the device, followed by an automatic reboot, or to execute arbitrary code on the device.

The Impact of CVE-2022-43545

With a CVSS base severity score of 9.9, this vulnerability is considered critical. It poses a significant risk as attackers could potentially take control of the affected devices, compromising their integrity, confidentiality, and availability.

Technical Details of CVE-2022-43545

Here are the specific technical details pertaining to the CVE-2022-43545 vulnerability.

Vulnerability Description

The vulnerability stems from the failure to properly validate the RecordType-parameter in requests to the web interface on port 443/tcp of POWER METER SICAM Q100 and SICAM P850 devices.

Affected Systems and Versions

Siemens devices including POWER METER SICAM Q100 (all versions < V2.50) and SICAM P850 (all versions < V3.10) are impacted by this vulnerability.

Exploitation Mechanism

An authenticated remote attacker could exploit this flaw to crash the device or execute malicious code, potentially leading to a complete compromise of the device.

Mitigation and Prevention

Protecting your systems from CVE-2022-43545 is crucial. Here are some steps you can take to mitigate the risk and enhance security.

Immediate Steps to Take

Apply the patches provided by Siemens to address this vulnerability promptly.

Long-Term Security Practices

Regularly update and maintain your systems to ensure they are protected against known vulnerabilities.
Implement network segmentation and access control measures to restrict unauthorized access.

Patching and Updates

Stay informed about security updates and advisories from Siemens to stay ahead of potential threats. Regularly check for patches and apply them to secure your devices.