CVE-2022-43406 is a vulnerability that affects the Apache Tomcat web application server, versions 7.0 to 10.1. It was discovered on May 16, 2022 and publicly disclosed on June 21, 2022. The vulnerability is caused by a flaw in the implementation of the HTTP/2 protocol that allows an attacker to send malicious requests to the server, potentially leading to remote code execution or denial of service attacks.
The impact of this vulnerability is significant as it could allow an attacker to take control of the affected system remotely. It is recommended that users of the affected versions of Apache Tomcat update to the latest version as soon as possible. Additionally, organizations should review their security policies and procedures to ensure they are properly configured to detect and mitigate potential attacks.
Following the public disclosure of the vulnerability, the Apache Software Foundation released patches for all affected versions of Apache Tomcat to address the issue. Users are strongly encouraged to apply these patches as soon as possible to prevent exploitation of the vulnerability. In addition, security researchers have provided guidance on how to detect and mitigate attacks that may target this vulnerability while updates are being applied.