CVE-2000-0804
highpriority · track · 31EPSS 0.017 · 77 %ileEUUSEPSS · scored 2026-10-28
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."
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connectionenisa_euvd
- http://www.osvdb.org/4419enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5468enisa_euvd
- http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connectionnvd
- http://www.osvdb.org/4419nvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5468nvd
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