cve/2021/CVE-2021-33840.md

### [CVE-2021-33840](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33840)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.

### POC

#### Reference
- https://gitlab.com/lucaapp/web/-/issues/1#note_560963608

#### Github
- https://github.com/lanmarc77/CVE-2021-33831