CVEs-PoC/2021/CVE-2021-21796.md

### [CVE-2021-21796](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21796)
![](https://img.shields.io/static/v1?label=Product&message=Nitro%20Pro&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Nitro%20Pro%2013.31.0.605%2CNitro%20Pro%2013.33.2.645%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416%3A%20Use%20After%20Free&color=brightgreen)

### Description

An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265

#### Github
- https://github.com/ARPSyndicate/cve-scores