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 …

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 …

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.

4 days ago · Apache has revealed a critical Log4j Core flaw that could let attackers intercept application log data through a man-in-the-middle attack.

Apr 8, 2022 · Log4j is very broadly used in a variety of consumer and enterprise services, websites, and applications—as well as in operational technology products—to log security and performance …

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.

Nov 26, 2025 · A concise overview of the Apache Log4j vulnerability, its implications, and how to secure your sensitive data against its exploitation.

Dec 13, 2025 · The Log4j vulnerability, known as Log4Shell (tracked as CVE-2021-44228), is a severe security flaw discovered in late 2021. This flaw affects Log4j, an open-source logging utility used …

Dec 12, 2025 · Four years on from Log4Shell, more than one-in-ten Log4j downloads still contain the vulnerability, according to data from Sonatype. Over the last year, 14% of Log4j downloads in the UK …

Explore the impact of the Log4j vulnerability on organizations, unraveling the attack flow if exploited by threat actors. Learn effective methods for detecting a Log4j attack and implementing preventive …