CVE-2020-4899: IBM API Connect

Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM API Connect 5.0.0.0 through 5.0.8.10 could potentially leak sensitive information or allow for data corruption due to plain text transmission of sensitive information across the network. IBM X-Force ID: 190990.

Affected products

• IBM API Connect: from 5.0.0.0, up to and including 5.0.8.10

Published 2021-01-05. Last modified 2026-06-17.