CVE-2000-0804

Published: Nov 14, 2000Modified: Apr 16, 2026

7.5

Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 10.0 / Impact: 6.4

Source: NVD

Description

Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to bypass the directionality check via fragmented TCP connection requests or reopening closed TCP connection requests, aka "One-way Connection Enforcement Bypass."

Affected (3)

Products: Checkpoint: Firewall 1

Checkpoint

1 product

Firewall 1

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Checkpoint Firewall 1	Version 3.0
Checkpoint Firewall 1	Version 4.0
Checkpoint Firewall 1	Version 4.1

References (6)

http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connection

Source: cve@mitre.org

http://www.osvdb.org/4419

Source: cve@mitre.org

https://exchange.xforce.ibmcloud.com/vulnerabilities/5468

Source: cve@mitre.org

http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connection

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.osvdb.org/4419

Source: af854a3a-2127-422b-91ae-364da2661108

https://exchange.xforce.ibmcloud.com/vulnerabilities/5468

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.