Description
Cisco Hot Standby Routing Protocol (HSRP) allows local attackers to cause a denial of service by spoofing HSRP packets.
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 HSRP - Denial of Service EDB-20821 · dos · May 3, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 2684 vdb-entry
- cisco-hsrp-dos(6497) vdb-entry
- 20010503 Cisco HSRP Weakness/DoS mailing-list
- http://www.cisco.com/networkers/nw00/pres/2402.pdf