CVEvulnerability

CVE-2002-1768

5.0 MEDIUM Published 2002-12-31 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2002-12-31
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

Cisco IOS 11.1 through 12.2, when HSRP support is not enabled, allows remote attackers to cause a denial of service (CPU consumption) via randomly sized UDP packets to the Hot Standby Routing Protocol (HSRP) port 1985.

Affected configurations

• cisco ios 11.1 • cisco ios 11.2 • cisco ios 12.0 • cisco ios 12.1 • cisco ios 12.2

References