The log4j-1.2.17.jar file exists in affwebservices application of CA Access Gateway (SPS):
/{home_SPS}/Tomcat/webapps/affwebservices/WEB-INF/lib/log4j-1.2.17.jar
Log4j 1.x has reached End of Life in 2015 and is no longer supported (1)(2).
This file is reported as vulnerable.
CA Access Gateway (SPS)
This file can be safely removed from the system without any impact to SiteMinder CA Access Gateway (SPS) or affwebservices.