CVEs-PoC/2020/CVE-2020-10136.md

### [CVE-2020-10136](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10136)
![](https://img.shields.io/static/v1?label=Product&message=RFC2003%20-%20IP%20Encapsulation%20within%20IP&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20STD%201%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-290%20Authentication%20Bypass%20by%20Spoofing&color=brighgreen)

### Description

IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing.

### POC

#### Reference
- https://kb.cert.org/vuls/id/636397/
- https://www.digi.com/resources/security
- https://www.kb.cert.org/vuls/id/636397

#### Github
- https://github.com/CERTCC/PoC-Exploits/tree/master/cve-2020-10136
- https://github.com/alphaSeclab/sec-daily-2020
- https://github.com/hktalent/bug-bounty