Log4j Vulnerability: Everything You Need to Know
The recently discovered Apache Log4j vulnerability has seen organizations and security vendors rushing to patch affected systems. Unfortunately, this severe security flaw can affect many more applications and systems over time, even after patching.
Malicious actors have leveraged the Apache Log4j vulnerability to target numerous corporate networks worldwide, making it a highly severe flaw.
While its discovery dates back to November 2021, the first official report was on December 10. By then, the log4j vulnerability had already affected nearly a third of global web servers, according to Cybereason.
Check Point, a leading cybersecurity firm, described Log4j as a severe vulnerability, having prevented over forty-three million attempts from gaining access to systems. It further reported that 46% of those attempts came from known malicious groups.
Now, as more organizations rush to patch the vulnerability, it’s critical to understand what has happened since its discovery.
Here’s everything your organization should know about the Apache Log4j vulnerability, its effects, and mitigation guidance.