Description
Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Cisco PIX 4.x/5.x TACACS+ - Denial of Service EDB-20734 · dos · Apr 6, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 2551 vdb-entry
- cisco-pix-tacacs-dos(6353) vdb-entry
- 20010406 PIX Firewall 5.1 DoS Vulnerability mailing-list
- 20011003 Cisco PIX Firewall Authentication Denial of Service Vulnerability vendor-advisory