CVEs-PoC/2020/CVE-2020-25705.md

### [CVE-2020-25705](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25705)
![](https://img.shields.io/static/v1?label=Product&message=Siemens%20Lunux%20Based%20Products&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=USE%20OF%20INSUFFICIENTLY%20RANDOM%20VALUES%20CWE-330&color=brighgreen)

### Description

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Version

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/developer3000S/PoC-in-GitHub
- https://github.com/hectorgie/PoC-in-GitHub
- https://github.com/nanopathi/linux-4.19.72_CVE-2020-25705
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/tdwyer/CVE-2020-25705