CVE-2002-1768 — MEDIUM severity vulnerability (Cisco IOS 11.1 through 12.2, when HSRP support is not enable)
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.
| CVE ID | CVE-2002-1768 |
|---|---|
| Severity | MEDIUM |
| CVSS score | 5.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2002-12-31 |
| Last modified | 2026-04-16 |
| 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. |
| Source | NIST National Vulnerability Database |
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