Feb 18, 2025 · The Log4j vulnerability is a software vulnerability in Log4j — an open-source library commonly used in Java-based systems and applications. Here’s how the vulnerability works, the …

Apache Log4j Security Vulnerabilities This page lists all the security vulnerabilities fixed in released versions of Apache Log4j 2. Each vulnerability is given a security impact rating by the Apache …

What is the Log4j vulnerability? The Log4j vulnerability, also known as Log4Shell, is a critical vulnerability discovered in the Apache Log4j logging library in November 2021. Log4Shell essentially …

Apr 8, 2022 · CISA and its partners, through the Joint Cyber Defense Collaborative, are responding to active, widespread exploitation of a critical remote code execution (RCE) vulnerability (CVE-2021 …

Dec 14, 2021 · Last week, a vulnerability was found in Log4j, an open-source logging library commonly used by apps and services across the internet. If left unfixed, attackers can break into systems, steal...

Log4Shell is a critical zero-day vulnerability (CVE-2021-44228) in Log4j that was uncovered in December 2021. It allows attackers to execute arbitrary code remotely on affected systems.

May 14, 2025 · In this article, we’ll analyze how to detect Log4j vulnerability effectively, using manual techniques, automated scanning tools, including popular GitHub resources, and monitoring strategies.

Nov 7, 2025 · What is the Log4j vulnerability and why is it so dangerous? Log4j vulnerability (CVE-2021-44228), called Log4Shell, is a critical remote code execution flaw in Apache Log4j that lets attackers …

The Log4j vulnerability (CVE-2021-44228) shook the cybersecurity world due to its widespread impact on Java-based applications. This remote code execution (RCE) flaw allows attackers to execute …

Jul 23, 2025 · On December 9th, 2021, the world was made aware of the single, biggest, most critical vulnerability as CVE-2021-44228, affecting the java based logging utility log4j.