Log4Shell (CVE-2021-44228) is a vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code execution and exploited as a zero-day …

Dec 10, 2021 · This CVE is currently being enriched by team members, this process results in the association of reference link tags, CVSS, CWE, and CPE applicability statement data.

Nov 26, 2025 · What is CVE-2021-44228? The original Apache Log4j vulnerability (CVE-2021-44228), also known as Log4Shell, is a cybersecurity vulnerability on the Apache Log4j 2 Java …

Log4Shell is a critical vulnerability in some versions of the Apache Log4j 2 Java library that allows hackers to run arbitrary code on affected systems.

Mar 19, 2025 · Log4Shell is a critical Remote Code Execution (RCE) vulnerability in the Apache Log4j logging framework. It went unnoticed for nearly eight years, since 2013, before its public …

Jul 24, 2025 · What is Log4Shell and Why Does It Matter? Log4Shell is a software vulnerability (CVE-2021-44228) in Apache Log4j, a popular Java logging library vulnerability.

According to public reporting, Log4Shell and CVE-2021-45046 are being actively exploited. To report suspicious or criminal activity related to information found in this Joint Cybersecurity …

Dec 19, 2025 · The Apache Log4j utility is a commonly used component for logging requests. This vulnerability, also called Log4Shell, can allow a system running Apache Log4j versions 2.0 …

Nov 25, 2025 · Referred to as "Log4Shell" (CVE-2021-44228, CVE-2021-45046) it introduces a new attack vector that attackers can exploit to extract data and deploy ransomware in an …

Jul 17, 2025 · CVE-2021-44228, dubbed Log4Shell, is a remote code execution (RCE) vulnerability in Apache Log4j 2.x (specifically, log4j-core versions 2.0-beta9 through 2.14.1). …