CVE-2001-0751 — HIGH severity vulnerability (Cisco switches and routers running CBOS 2.3.8 and earlier us)
Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.
| CVE ID | CVE-2001-0751 |
|---|---|
| Severity | HIGH |
| CVSS score | 7.5 |
| CVSS vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2001-10-18 |
| Last modified | 2026-04-16 |
| Description | Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections. |
| Source | NIST National Vulnerability Database |
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