CVE-2000-0804 - Vulnerability Details - OpenCVE

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."

Published: 2001-01-22

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:checkpoint:firewall-1:3.0:::::::*
	cpe:2.3:a:checkpoint:firewall-1:4.0:::::::*
	cpe:2.3:a:checkpoint:firewall-1:4.1:::::::*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2000-0798	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."

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00351.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connection
http://www.osvdb.org/4419
https://exchange.xforce.ibmcloud.com/vulnerabilities/5468

History

No history.

Subscriptions

Checkpoint Firewall-1

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2001-01-22T05:00:00.000Z

Updated: 2024-08-08T05:28:41.561Z

Reserved: 2000-09-25T00:00:00.000Z

Link: CVE-2000-0804

Vulnrichment

No data.

NVD

Status : Modified

Published: 2000-11-14T05:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2000-0804

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

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