Security readout for executives and security teams
A very old flaw in Check Point FireWall-1 allowed attackers to knock the firewall offline by sending specially crafted UDP packets aimed at port 0 through VPN-1. In practical terms, an outsider could disrupt the device that protects the network, causing an outage. This is a legacy issue disclosed in 1999 and is only relevant if unsupported, unpatched FireWall-1 systems from that era remain in production. Exposure is limited to organizations still running late-1990s versions of Check Point FireWall-1/VPN-1 with UDP traffic permitted through the gateway. Modern, supported Check Point releases are not indicated as affected in the sources. Any surviving deployment would likely be an isolated legacy appliance rather than a fleet-wide risk. Low priority for most organizations. Only act if legacy Check Point FireWall-1/VPN-1 systems remain in service; in that case, prioritize decommissioning or upgrading them as part of routine lifecycle management rather than emergency response. Mitigation focus: Identify any remaining Check Point FireWall-1/VPN-1 systems from the 1999-era codebase in the environment.; Consult Check Point vendor guidance for supported upgrade paths since the bundle names no specific fix.; Restrict or drop inbound UDP traffic destined for port 0 at perimeter and upstream devices..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-1999-0675 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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