CVE-2020-4888: IBM Qradar Security Information And Event Manager

High severity, CVSS 8.8. EPSS: 62% chance of exploitation in the next 30 days.

IBM QRadar SIEM 7.4.0 to 7.4.2 Patch 1 and 7.3.0 to 7.3.3 Patch 7 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: 190912.

Affected products

• IBM Qradar Security Information And Event Manager: version 7.3.0 only; version 7.3.1 only; version 7.3.2 only; version 7.3.3 only; version 7.4.0 only; version 7.4.1 only; …

Published 2021-01-28. Last modified 2026-06-17.