CVE-2021-30464 : Exploit Details and Defense Strategies

OMICRON StationGuard before version 1.10 is vulnerable to a denial of service attack. Attackers can exploit this vulnerability by sending malicious tcp/20499 packets to the CTRL Ethernet port, causing a connectivity outage.

Understanding CVE-2021-30464

This CVE pertains to a specific vulnerability in OMICRON StationGuard that allows remote attackers to disrupt the service by sending specially crafted packets.

What is CVE-2021-30464?

The CVE-2021-30464 vulnerability exists in OMICRON StationGuard versions prior to 1.10, enabling attackers to trigger a denial of service condition.

The Impact of CVE-2021-30464

The impact of this vulnerability is significant as it can result in a complete loss of connectivity for affected systems, leading to service disruptions and potential financial losses.

Technical Details of CVE-2021-30464

Below are the technical aspects related to CVE-2021-30464:

Vulnerability Description

The vulnerability in OMICRON StationGuard allows attackers to perform a denial of service attack, causing a connectivity outage on the targeted system.

Affected Systems and Versions

All versions of OMICRON StationGuard before 1.10 are affected by this vulnerability, making them susceptible to exploitation.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending malicious tcp/20499 packets to the CTRL Ethernet port, resulting in a denial of service condition.

Mitigation and Prevention

Protecting systems from CVE-2021-30464 requires immediate action and long-term security practices.

Immediate Steps to Take

Update OMICRON StationGuard to version 1.10 or newer to mitigate the vulnerability.
Implement network segmentation to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and patch systems to address emerging vulnerabilities.
Conduct security assessments and penetration testing to identify weak points in the network.

Patching and Updates

Stay informed about security updates and patches released by OMICRON for StationGuard to prevent exploitation of known vulnerabilities.