A newly discovered zero-day vulnerability in the widely used Java logging library Apache Log4j is easy to exploit and enables attackers to gain full control of affected servers.

There are 17,000 unpatched Log4j packages in the Maven Central ecosystem, leaving massive supply-chain risk on the table from Log4Shell exploits.

The usage of the nasty vulnerability in the Java logging library Apache Log4j that allowed unauthenticated remote code execution could have kicked off as early as December 1. "Earliest evidence we ...