CVEvulnerability

CVE-2001-1431

5.0 MEDIUM Published 2001-10-08 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2001-10-08
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N

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 configurations

• checkpoint firewall-1 4.1 • checkpoint vpn-1 4.1 • nokia firewall appliance ipso 3.3 • nokia firewall appliance ipso 3.4 • nokia firewall appliance ipso 3.41

References