CVE-2021-38944: IBM Datapower Gateway

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM DataPower Gateway 10.0.2.0 through 1.0.3.0, 10.0.1.0 through 10.0.1.5, and 2018.4.1.0 through 2018.4.1.18 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 211236.

Affected products

• IBM Datapower Gateway: from 10.0.1.0, up to and including 10.0.1.5; from 10.0.2.0, up to and including 10.0.3.0; from 2018.4.1.0, up to and including 2018.4.1.18

Published 2022-05-18. Last modified 2026-06-17.