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Unrated severityNVD Advisory· Published Oct 8, 2001· Updated Apr 16, 2026

CVE-2001-1431

CVE-2001-1431

Description

Nokia Firewall Appliances running IPSO 3.3 and VPN-1/FireWall-1 4.1 Service Pack 3, IPSO 3.4 and VPN-1/FireWall-1 4.1 Service Pack 4, and IPSO 3.4 or IPSO 3.4.1 and VPN-1/FireWall-1 4.1 Service Pack 5, when SYN Defender is configured in Active Gateway mode, does not properly rewrite the third packet of a TCP three-way handshake to use the NAT IP address, which allows remote attackers to gain sensitive information.

Affected products

8
  • Checkpoint/Firewall 13 versions
    cpe:2.3:a:checkpoint:firewall-1:4.1:sp3:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:checkpoint:firewall-1:4.1:sp3:*:*:*:*:*:*
    • cpe:2.3:a:checkpoint:firewall-1:4.1:sp4:*:*:*:*:*:*
    • cpe:2.3:a:checkpoint:firewall-1:4.1:sp5:*:*:*:*:*:*
  • Checkpoint/Vpn 12 versions
    cpe:2.3:a:checkpoint:vpn-1:4.1:sp3:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:checkpoint:vpn-1:4.1:sp3:*:*:*:*:*:*
    • cpe:2.3:a:checkpoint:vpn-1:4.1:sp4:*:*:*:*:*:*
  • Nokia/Firewall Appliance3 versions
    cpe:2.3:h:nokia:firewall_appliance:ipso_3.3:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:h:nokia:firewall_appliance:ipso_3.3:*:*:*:*:*:*:*
    • cpe:2.3:h:nokia:firewall_appliance:ipso_3.4:*:*:*:*:*:*:*
    • cpe:2.3:h:nokia:firewall_appliance:ipso_3.41:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

2

News mentions

0

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