### [CVE-2012-4099](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4099) ![](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 The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065. ### POC #### Reference - http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099 #### Github No PoCs found on GitHub currently.