CVE-2023-20861 (Medium) detected in spring-expression-5.3.2.jar

## CVE-2023-20861 - Medium Severity Vulnerability
Vulnerable Library - spring-expression-5.3.2.jar

Spring Expression Language (SpEL)

Library home page: https://github.com/spring-projects/spring-framework

Path to dependency file: /easy-abac-demo/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/springframework/spring-expression/5.3.2/spring-expression-5.3.2.jar

Dependency Hierarchy:
- spring-boot-starter-web-2.4.1.jar (Root Library)
- spring-webmvc-5.3.2.jar
- :x: **spring-expression-5.3.2.jar** (Vulnerable Library)

Found in base branch: master

Vulnerability Details

In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

Publish Date: 2023-03-23

URL: CVE-2023-20861

CVSS 3 Score Details (6.5)

Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://securityonline.info/cve-2023-20860-high-severity-vulnerability-in-spring-framework/

Release Date: 2023-03-23

Fix Resolution (org.springframework:spring-expression): 5.3.25

Direct dependency fix Resolution (org.springframework.boot:spring-boot-starter-web): 2.7.8

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