CVE-2020-4828: IBM API Connect

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 is vulnerable to web cache poisoning, caused by improper input validation by modifying HTTP request headers. IBM X-Force ID: 189842.

Affected products

• IBM API Connect: from 2018.4.1.0, up to and including 2018.4.1.13; version 10.0.0.0 only; version 10.0.1.0 only

Published 2021-02-04. Last modified 2026-06-17.