### [CVE-2001-0427](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2001-0427) ![](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 Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts. ### POC #### Reference - http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml #### Github No PoCs found on GitHub currently.