IBM QRadar SIEM 7.3 and 7.4 could allow a remote attacker to execute arbitrary commands on the system, caused by insecure deserialization of user-supplied content by the Java deserialization function. By sending a malicious serialized Java object, an attacker could exploit this vulnerability to execute arbitrary commands on the system. IBM X-Force ID: 176140.
https://www.ibm.com/support/pages/node/6344079
https://exchange.xforce.ibmcloud.com/vulnerabilities/176140
http://seclists.org/fulldisclosure/2020/Oct/18
http://packetstormsecurity.com/files/159589/QRadar-RemoteJavaScript-Deserialization.html