VulnerabilityModified
CVE-2000-0804
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."
HIGH 7.5EPSS 1.67%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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."
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.67% probability · 75th percentile
- CISA KEV
- Not listed
- Affected
- checkpoint/firewall-1
- Source
- cve@mitre.org
References
- http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connection
- http://www.osvdb.org/4419
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5468
- http://www.checkpoint.com/techsupport/alerts/list_vun.html#One-way_Connection
- http://www.osvdb.org/4419
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5468
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.