State of Log4j Vulnerabilities: How Much Did Log4Shell Change?

December 9 marks two years since the world went on high alert because of what was deemed one of the most critical zero-day vulnerabilities ever: Log4Shell. The vulnerability that carried the highest possible severity rating (10.0) was in Apache Log4j, an ubiquitous Java logging framework that Veracode estimated at the time was used in 88 percent of organizations. 
If exploited, the zero-day vulnerability (CVE-2021-44228) in Log4j versions Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) would allow …

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