CVE-2020-4377: IBM Cognos Analytics

Critical severity, CVSS 9.1. EPSS: 2.1% chance of exploitation in the next 30 days.

IBM Cognos Anaytics 11.0 and 11.1 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: 179156.

Affected products

• IBM Cognos Analytics: version 11.0.0 only; version 11.1.0 only

Published 2020-08-03. Last modified 2026-06-17.