CVE-2001-0861 — MEDIUM severity vulnerability (Cisco 12000 with IOS 12.0 and line cards based on Engine 2 a)
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 and earlier allows remote attackers to cause a denial of service (CPU consumption) by flooding the router with traffic that generates a large number of ICMP Unreachable replies.
| CVE ID | CVE-2001-0861 |
|---|---|
| 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 | 2001-12-06 |
| Last modified | 2026-04-16 |
| Description | Cisco 12000 with IOS 12.0 and line cards based on Engine 2 and earlier allows remote attackers to cause a denial of service (CPU consumption) by flooding the router with traffic that generates a large number of ICMP Unreachable replies. |
| Source | NIST National Vulnerability Database |
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