CVE-2020-17510: Apache Shiro

Critical severity, CVSS 9.8. EPSS: 8% chance of exploitation in the next 30 days.

Apache Shiro before 1.7.0, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

Affected products

• Apache Shiro: before 1.7.0 (fixed in 1.7.0)
• Debian Debian Linux: version 9.0 only

Published 2020-11-05. Last modified 2026-06-17.