News about a critical vulnerability in the Apache Log4j logging library broke last week when proof-of-concept exploits started to emerge on Thursday.
Log4j is an open-source Java logging framework part of the Apache Logging Services used at enterprise level in various applications from vendors across the world.
Apache released Log4j 2.15.0 to address the maximum severity vulnerability, currently tracked as CVE-2021-44228, also referred to as Log4Shell or LogJam.
While massive exploitation started only after exploit code became freely available, attacks have been detected since the beginning of the month, according to data from Cloudflare and Cisco Talos.
The Log4Shell flaw was reported by Alibaba’s Cloud security team on November 24 and it is unclear how some attackers were able to…