CVE-2000-0804

high

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."

References

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

http://www.osvdb.org/4419

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

Details

Source: Mitre, NVD

Published: 2000-11-14

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.00351