CVEs-PoC/2020/CVE-2020-25689.md

### [CVE-2020-25689](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25689)
![](https://img.shields.io/static/v1?label=Product&message=wildfly-core&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20up%20to%2021.0.0.Final%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-401&color=brighgreen)

### Description

A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-25689