CVEs-PoC/2021/CVE-2021-42787.md

### [CVE-2021-42787](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42787)
![](https://img.shields.io/static/v1?label=Product&message=SteelCentral%20AppInternals%20Dynamic%20Sampling%20Agent&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=10.x%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=11.8.8%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=12.13.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%20Improper%20Input%20Validation&color=brightgreen)

### Description

It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentConfigurationServlet has directory traversal vulnerabilities at the "/api/appInternals/1.0/agent/configuration" API. The affected endpoint does not have any input validation of the user's input that allows a malicious payload to be injected.

### POC

#### Reference
No PoCs from references.

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