CVE-2001-0183

N/A Unknown
Published: March 26, 2001 Modified: April 16, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:08.ipfw.asc
Source: cve@mitre.org
Patch Vendor Advisory
http://www.ciac.org/ciac/bulletins/l-029.shtml
Source: cve@mitre.org
http://www.osvdb.org/1743
Source: cve@mitre.org
http://www.security-express.com/archives/bugtraq/2001-01/0424.html
Source: cve@mitre.org
http://www.securityfocus.com/bid/2293
Source: cve@mitre.org
Exploit Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5998
Source: cve@mitre.org
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:08.ipfw.asc
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.ciac.org/ciac/bulletins/l-029.shtml
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.osvdb.org/1743
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.security-express.com/archives/bugtraq/2001-01/0424.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/2293
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5998
Source: af854a3a-2127-422b-91ae-364da2661108

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
8.9%
93th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

freebsd