CVE-2023-1619 : Exploit Details and Defense Strategies

This CVE-2023-1619 concerns a vulnerability found in multiple versions of various WAGO products that could potentially allow an authenticated remote attacker with high privileges to perform a Denial of Service (DoS) attack by sending a malformed packet.

Understanding CVE-2023-1619

This section will delve into the details of the CVE-2023-1619 vulnerability, its impacts, technical aspects, and mitigation strategies.

What is CVE-2023-1619?

The CVE-2023-1619 vulnerability is centered around multiple WAGO devices across various versions. It specifically enables an authenticated remote attacker with high privileges to exploit the flaw by initiating a DoS attack through the transmission of a malformed packet.

The Impact of CVE-2023-1619

The impact of this vulnerability is classified as having a medium severity level. It possesses a CVSS v3.1 base score of 4.9, with a high availability impact. While the attack complexity is categorized as low and the attack vector is network-based, the confidentiality and integrity impacts are assessed as none. The privileges required for exploitation are considered high.

Technical Details of CVE-2023-1619

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in multiple versions of WAGO devices allows an authenticated remote attacker to perform a DoS attack by sending a malformed packet.

Affected Systems and Versions

The vulnerability affects a range of WAGO products including 750-8202, 750-8203, 750-8204, 750-8206, and more. Versions up to FW22 SP1 are impacted.

Exploitation Mechanism

The exploit requires an authenticated remote attacker with high privileges to send a specifically crafted packet to the vulnerable WAGO device to trigger the DoS condition.

Mitigation and Prevention

In this final section, we will discuss the immediate actions to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

To mitigate the risk posed by CVE-2023-1619, it is recommended to restrict network access to the affected devices, apply vendor-supplied patches promptly, and monitor network traffic for any suspicious activities.

Long-Term Security Practices

Implementing network segmentation, regularly updating software and firmware, conducting routine security assessments, and ensuring proper access control measures are essential for enhancing long-term security posture.

Patching and Updates

It is crucial to stay informed about security advisories from WAGO and promptly apply patches and updates to address known vulnerabilities and protect your systems from potential exploits.

By following these mitigation strategies, organizations can enhance their cybersecurity resilience and safeguard their infrastructure from potential threats associated with CVE-2023-1619.