CVE-2020-4876: IBM Cognos Controller

High severity, CVSS 8.2. EPSS: 1.7% chance of exploitation in the next 30 days.

IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.

Affected products

• IBM Cognos Controller: version 10.4.0 only; version 10.4.1 only; version 10.4.2 only

Published 2022-01-21. Last modified 2026-06-17.