CVE-2021-45105

Summary of CVE-2021-45105 (Log4j2) : Affected Log4j 2.x versions 2.0-alpha1 through 2.16.0 (except 2.12.3 and 2.3.1) are vulnerable to denial of service via uncontrolled recursion triggered by self-referential lookups in Thread Context Map data. The root cause is improper handling of self-referen...

CVE-2017-5645

CVE-2017-5645 affects Apache Log4j 2.x prior to 2.8.2. The vulnerability arises when using a TCP/UDP socket server to receive serialized log events from another application; a crafted binary payload can be deserialized to execute arbitrary code. The documented impact is remote code execution via ...

CVE-2020-9488

CVE-2020-9488 affects the Apache Log4j2 SMTP appender. The issue is improper validation of the SSL/TLS certificate when the host name does not match, potentially allowing a man-in-the-middle to intercept SMTPS traffic and leak log messages. The concrete remediation is to upgrade to affected relea...