Apache Log4j

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First seenAug 17, 2026
Last mentionedAug 17, 2026

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Another Apache Log4j Vulnerability Is Actively Exploited in the Wild (CVE-2021

Apache Log4j 2 RCE CVE-2021-44228 is actively exploited via crafted JNDI lookups; Palo Alto Unit 42 urges upgrading to Log4j 2.17.1.

Palo Alto Unit 42Aug 17, 12:20 UTC · Aug 17, 2026Exploit / PoCExploitedCVE-2021-44228 CVE-2021-45046 CVE-2021-45105+33 · 1 read

Related CVEs

by mentions

CVE-2021-44228100%10.0
JNDI Injection Remote Code Execution in Apache Log4j2 (Log4Shell)
published Dec 10, 2021Apache Log4j2KEVRansomwarePoC ×9
CVE-2021-45046100%9.0
Remote Code Execution in Apache Log4j2 via Incomplete Log4Shell Fix
published Dec 14, 2021Apache Log4j2KEVRansomwarePoC
CVE-2017-564590%9.8
In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially…
published Apr 17, 2017apache log4j
CVE-2019-1757169%9.8
Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code…
published Dec 20, 2019apache log4j
CVE-2021-4483298%6.6
Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when…
published Dec 28, 2021apache log4j
CVE-2021-45105100%5.9
Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups
published Dec 18, 2021apache log4j

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