log4j-scan is a fully automated, accurate, and extensive scanner for finding vulnerable log4j hosts.
A part of the Apache Logging Services, a project of the Apache Software Foundation. It is one of several Java logging frameworks.
The Security Researchers reported an Apache Log4j vulnerability. Experts say it could result in sensitive data being exposed.
The vulnerability have been patched by many companies; a security breach may allow sensitive data to be stolen and cause applications to fail.
What is Apache Lo4j Vulnerability – Read here