CVE-2001-0183 — HIGH severity vulnerability (ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote atta)
ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection.
| CVE ID | CVE-2001-0183 |
|---|---|
| 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 | 2001-03-26 |
| Last modified | 2026-04-16 |
| Description | ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection. |
| Source | NIST National Vulnerability Database |
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