cve/2021/CVE-2021-3859.md

### [CVE-2021-3859](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3859)
![](https://img.shields.io/static/v1?label=Product&message=undertow&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20Fixed%20in%202.2.15.Final%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-214%20-%20Invocation%20of%20Process%20Using%20Visible%20Sensitive%20Information&color=brighgreen)

### Description

A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/muneebaashiq/MBProjects