Unscored CVE-2002-2053 EUVD-2002-2032GHSA-x5gf-75g3-pvq8

The design of the Hot Standby Routing Protocol (HSRP), as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause…

Published Jul 14, 2005 · Updated Sep 16, 2024 · Assigned by mitre

Description

The design of the Hot Standby Routing Protocol (HSRP), as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause a denial of service (CPU consumption) via a router with the same IP address as the interface on which HSRP is running, which causes a loop.

References

20020605 Three possible DoS attacks against some IOS versions. mailing-list
4949 vdb-entry
20020606 Re: Three possible DoS attacks against some IOS versions. mailing-list
cisco-ios-hsrp-loop-dos(9283) vdb-entry