IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 176677.
https://www.ibm.com/support/pages/node/6244664
https://www.ibm.com/support/pages/node/6244664
https://exchange.xforce.ibmcloud.com/vulnerabilities/176677
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4305