CVE-2023-3273 : Security Advisory and Response

This CVE-2023-3273 involves an "Improper Access Control" vulnerability in the SICK ICR890-4 device potentially allowing an unauthenticated remote attacker to impact the device's availability by modifying settings, such as the IP address, due to missing access control.

Understanding CVE-2023-3273

This section delves into the details surrounding CVE-2023-3273, from its description to impacts and technical aspects.

What is CVE-2023-3273?

The CVE-2023-3273 vulnerability comprises an improper access control issue within the SICK ICR890-4 device, enabling unauthorized remote individuals to influence device availability by altering critical settings like the IP address. This flaw arises from a lack of proper access controls.

The Impact of CVE-2023-3273

The vulnerability presents a high severity impact with a base score of 7.5 (CVSS:3.1). Attackers can exploit this flaw to disrupt the availability of the device, potentially leading to operational disruptions or unauthorized access.

Technical Details of CVE-2023-3273

This section outlines the technical specifics, including the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from the absence of adequate access controls in the SICK ICR890-4, facilitating unauthenticated remote attackers to impact the device's availability by manipulating essential settings like the IP address.

Affected Systems and Versions

The vulnerability affects SICK AG's ICR890-4 product with versions less than 2.5.0.

Exploitation Mechanism

The vulnerability can be exploited remotely by attackers with a low attack complexity, targeting the network without the need for any special privileges. The potential impact on availability is deemed high.

Mitigation and Prevention

In light of CVE-2023-3273, implementing immediate steps, enhancing long-term security practices, and staying updated on patches and updates are crucial for mitigating risks and securing affected systems.

Immediate Steps to Take

SICK AG recommends disabling port 2111 and 2122 once the SICK ICR890-4 is operational to mitigate the vulnerability's exploitation.

Long-Term Security Practices

Employing robust access control mechanisms, implementing regular security assessments, and staying informed about security best practices can enhance long-term security posture against such vulnerabilities.

Patching and Updates

Keeping the device updated with the latest security patches and firmware releases from SICK AG is vital to address and mitigate CVE-2023-3273 effectively.