CVE-2021-20480: IBM WebSphere Application Server

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 7.0, 8.0, and 8.5 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to obtain sensitive data. IBM X-Force ID: 197502.

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 8.5.5.19

Published 2021-04-08. Last modified 2026-06-17.