7.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2023-22602

CVE-2023-22602: Apache Shiro Interpretation Conflict vulnerability

When using Apache Shiro before 1.11.0 together with Spring Boot 2.6+, a specially crafted HTTP request may cause an authentication bypass. The authentication bypass occurs when Shiro and Spring Boot are using different pattern-matching techniques. Both Shiro and Spring Boot < 2.6 default to Ant style pattern matching. Mitigation: Update to Apache Shiro 1.11.0, or set the following Spring Boot configuration value: spring.mvc.pathmatch.matching-strategy = ant_path_matcher

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2023-22602

CVE-2023-22602:

7.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
org.apache.shiro:shiro-root	maven	< 1.11.0	1.11.0

Technical Details

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Miggo AI

Root Cause Analysis

The vulnerability stems from a pattern-matching conflict between Apache Shiro (using AntPathMatcher) and Spring Boot 2.6+ (using PathPatternParser by default). Shiro's AntPathMatcher#match function is directly responsible for evaluating security constraints against request paths using Ant-style syntax. When Spring Boot uses a different parsing strategy (PathPattern), the same URL may be interpreted differently at the routing layer (Spring) versus the security layer (Shiro), creating mismatches that allow bypass. The function is explicitly implicated because the mitigation requires either aligning Spring's matcher with Shiro's AntPathMatcher or updating Shiro to handle this conflict.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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