CVE-2020-4163: IBM WebSphere Application Server

High severity, CVSS 7.2. EPSS: 1.6% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0, under specialized conditions, could allow an authenticated user to create a maliciously crafted file name which would be misinterpreted as jsp content and executed. IBM X-Force ID: 174397.

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 8.5.5.16; from 9.0.0.0, up to and including 9.0.5.2

Published 2020-02-04. Last modified 2026-06-17.