CVE-2020-4329: IBM WebSphere Application Server

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 20.0.0.4 could allow a remote, authenticated attacker to obtain sensitive information, caused by improper parameter checking. This could be exploited to conduct spoofing attacks. IBM X-Force ID: 177841.

Affected products

• IBM WebSphere Application Server: from 7.0.0.0, up to and including 7.0.0.45; from 8.0.0.0, up to and including 8.0.0.15; from 8.5.0.0, up to and including 8.5.5.17; from 9.0.0.0, up to and including 9.0.5.3; from 17.0.0.3, up to and including 20.0.0.4

Published 2020-04-28. Last modified 2026-06-17.