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.
Denial Of Service
Apache
NVD
VulDB
CVSS 3.1
5.9
EPSS
70.4%
Threat
5.3