CVEs-PoC/2018/CVE-2018-14720.md

### [CVE-2018-14720](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14720)
![](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

FasterXML jackson-databind 2.x before 2.9.7 might allow attackers to conduct external XML entity (XXE) attacks by leveraging failure to block unspecified JDK classes from polymorphic deserialization.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/OWASP/www-project-ide-vulscanner
- https://github.com/PalindromeLabs/Java-Deserialization-CVEs
- https://github.com/ilmari666/cybsec