The remote host is affected by multiple buffer overflow vulnerabilities.
The remote host is running Apache web server with mod_jk2, a connector that connects a web server such as Apache. According to its banner, the version of mod_jk2 installed is affected by multiple buffer overflow vulnerabilities. An attacker may be able to exploit these vulnerabilities to cause a denial-of-service condition or execute arbitrary code subject to the privileges of the user running the Apache process.
Upgrade to version 2.0.4 or higher.