CVE-2019-4553: IBM API Connect

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM API Connect V5.0.0.0 through 5.0.8.7iFix3 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165958.

Affected products

• IBM API Connect: from 5.0.0.0, up to and including 5.0.8.73

Published 2020-03-24. Last modified 2026-06-17.