CVE-2018-1421: IBM Datapower Gateway

High severity, CVSS 7.1. EPSS: 1.4% chance of exploitation in the next 30 days.

IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 is vulnerable to a 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: 139023.

Affected products

• IBM Datapower Gateway: from 7.1.0.0, up to and including 7.1.0.21; from 7.2.0.0, up to and including 7.2.0.18; from 7.5.0.0, up to and including 7.5.0.13; from 7.5.1.0, up to and including 7.5.1.12; from 7.5.2.0, up to and including 7.5.2.12; from 7.6.0.0, up to and including 7.6.0.5

Published 2018-04-04. Last modified 2026-06-17.