cve/2023/CVE-2023-20861.md

### [CVE-2023-20861](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20861)
![](https://img.shields.io/static/v1?label=Product&message=Spring%20Framework&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Denial-of-service%20vulnerability&color=brighgreen)

### Description

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.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/fernandoreb/dependency-check-springboot
- https://github.com/limo520/CVE-2023-20860
- https://github.com/scordero1234/java_sec_demo-main