VMware Horizon Client Log4j Vulnerability: A Threat to Your Security

The recent discovery of the Log4Shell vulnerability has sent shockwaves throughout the cybersecurity community, and for good reason. This zero-day attack is not only easy to exploit but can also be used to gain complete control over vulnerable servers. With a CVSSv3 rating of 10.0, it's considered one of the most severe vulnerabilities ever recorded.

The Log4Shell vulnerability, identified as CVE-2021-44228, affects Apache Log4j, an open-source Java logging library widely used in hundreds of applications. The list of affected programs is staggering and includes popular libraries such as Apache Druid, Dubbo, Flink, Flume, Hadoop, Kafka, Solr, Spark, and Struts.

VMware Horizon client is one such application that uses Log4j, making it vulnerable to this exploit. Other affected VMware products include vCenter, vRealize, and Tanzu. This means that organizations relying on these solutions need to take immediate action to secure their systems.

The exploitation of Log4Shell is relatively simple and can be done remotely, making it a significant threat to any organization using affected applications. According to security experts, even as you're reading this, your system may already be under attack.

To determine which of your applications are vulnerable, we recommend checking out the lists provided by SwitHak's Royce Williams, Netherland's National Cyber Security Centrum (NCSC), and other reputable sources.

In light of this critical vulnerability, it's essential to prioritize patching and updating affected systems as soon as possible. Failing to do so may leave your organization exposed to a range of attacks, from Remote Code Execution (RCE) to data theft and other malicious activities.

The Log4Shell vulnerability is a harsh reminder that even the most seemingly secure systems can be vulnerable to attack. It's crucial for organizations to stay informed about emerging threats and take proactive measures to protect their infrastructure.

Vmware horizon client log4j