CVE-2020-1757: Red Hat JBoss Data Grid

High severity, CVSS 8.1. EPSS: 1.6% chance of exploitation in the next 30 days.

A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x and undertow-2.x.x versions prior to undertow-2.1.0.Final, where the Servlet container causes servletPath to normalize incorrectly by truncating the path after semicolon which may lead to an application mapping resulting in the security bypass.

Affected products

• Red Hat JBoss Data Grid: version 7.0.0 only
• Red Hat JBoss Enterprise Application Platform: version 7.0.0 only
• Red Hat JBoss Fuse: version 6.0.0 only; version 7.0.0 only
• Red Hat Openshift Application Runtimes: affected versions not specified
• Red Hat Single Sign-On: version 7.0 only
• Red Hat Undertow: before 2.1.0 (fixed in 2.1.0); version 2.0.0 only; version 2.0.25 only; version 2.0.26 only; version 2.0.28 only

Published 2020-04-21. Last modified 2026-06-17.