CVE-2013-4053: IBM WebSphere Application Server

Medium severity, CVSS 6.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The WS-Security implementation in IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.47, 7.0 before 7.0.0.31, 8.0 before 8.0.0.8, and 8.5 before 8.5.5.1, and WAS Feature Pack for Web Services 6.1 before 6.1.0.47, when a trust store is configured for XML Digital Signatures, does not properly verify X.509 certificates, which allows remote attackers to obtain privileged access via unspecified vectors.

Affected products

• IBM WebSphere Application Server: version 8.5.0.0 only; version 8.5.0.1 only; version 8.5.0.2 only; version 8.5.5.0 only; version 7.0 only; version 7.0.0.1 only; …
• IBM WebSphere Application Server Feature Pack For Web Services: version 6.1.0.11 only; version 6.1.0.13 only; version 6.1.0.15 only; version 6.1.0.17 only; version 6.1.0.19 only; version 6.1.0.21 only; …

Published 2013-09-20. Last modified 2026-06-16.