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Firewall 1

firewall-1

Vendor: Checkpoint • 43 CVEs

CVEs (43)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Checkpoint
3Firewall 1
Provider 1Vpn 1
Apr 16, 2026
Jul 12, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
Format string vulnerability in Check Point VPN-1/FireWall-1 4.1 allows a remote authenticated firewall administrator to execute arbitrary code via format strings in the control connection.
1Checkpoint
1Firewall 1
Apr 16, 2026
Jul 9, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
Check Point VPN-1/FireWall-1 4.1 base.def contains a default macro, accept_fw1_rdp, which can allow remote attackers to bypass intended restrictions with forged RDP (internal protocol) headers to UDP port 259 of arbitrar...Show more
Check Point VPN-1/FireWall-1 4.1 base.def contains a default macro, accept_fw1_rdp, which can allow remote attackers to bypass intended restrictions with forged RDP (internal protocol) headers to UDP port 259 of arbitrary hosts.Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Mar 26, 2001
N/A· v4
N/A· v3
5.0 MEDIUM· v2
FireWall-1 4.1 with a limited-IP license allows remote attackers to cause a denial of service by sending a large number of spoofed IP packets with various source addresses to the inside interface, which floods the consol...Show more
FireWall-1 4.1 with a limited-IP license allows remote attackers to cause a denial of service by sending a large number of spoofed IP packets with various source addresses to the inside interface, which floods the console with warning messages and consumes CPU resources.Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Feb 12, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
Check Point VPN-1/FireWall-1 4.1 SP2 with Fastmode enabled allows remote attackers to bypass access restrictions via malformed, fragmented packets.
1Checkpoint
1Firewall 1
Apr 16, 2026
Dec 11, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
Check Point Firewall-1 session agent 3.0 through 4.1 generates different error messages for invalid user names versus invalid passwords, which allows remote attackers to determine valid usernames and guess a password via...Show more
Check Point Firewall-1 session agent 3.0 through 4.1 generates different error messages for invalid user names versus invalid passwords, which allows remote attackers to determine valid usernames and guess a password via a brute force attack.Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Dec 11, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The client authentication interface for Check Point Firewall-1 4.0 and earlier generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to identify valid usernames...Show more
The client authentication interface for Check Point Firewall-1 4.0 and earlier generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to identify valid usernames on the firewall.Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to redirect FTP connections to other servers ("FTP Bounce") via invalid FTP commands that are processed improperly by FireWall-1, aka "FTP Connection E...Show more
Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to redirect FTP connections to other servers ("FTP Bounce") via invalid FTP commands that are processed improperly by FireWall-1, aka "FTP Connection Enforcement Bypass."Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
The seed generation mechanism in the inter-module S/Key authentication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to bypass authentication via a brute force attack, aka "One-time (s...Show more
The seed generation mechanism in the inter-module S/Key authentication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to bypass authentication via a brute force attack, aka "One-time (s/key) Password Authentication."Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
The OPSEC communications authentication mechanism (fwn1) in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to spoof connections, aka the "OPSEC Authentication Vulnerability."
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The inter-module authentication mechanism (fwa1) in Check Point VPN-1/FireWall-1 4.1 and earlier may allow remote attackers to conduct a denial of service, aka "Inter-module Communications Bypass."
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
Check Point VPN-1/FireWall-1 4.1 and earlier improperly retransmits encapsulated FWS packets, even if they do not come from a valid FWZ client, aka "Retransmission of Encapsulated Packets."
1Checkpoint
1Firewall 1
Apr 16, 2026
Nov 14, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
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 Enforcem...Show more
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."Show less
1Checkpoint
1Firewall 1
Apr 16, 2026
Oct 20, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
Checkpoint Firewall-1 with the RSH/REXEC setting enabled allows remote attackers to bypass access restrictions and connect to a RSH/REXEC client via malformed connection requests.
1Checkpoint
1Firewall 1
Apr 16, 2026
Jun 30, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Check Point FireWall-1 4.0 and 4.1 allows remote attackers to cause a denial of service by sending a stream of invalid commands (such as binary zeros) to the SMTP Security Server proxy.
1Checkpoint
1Firewall 1
Apr 16, 2026
Jun 6, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Check Point Firewall-1 allows remote attackers to cause a denial of service by sending a large number of malformed fragmented IP packets.
1Checkpoint
1Firewall 1
Apr 16, 2026
Mar 11, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Firewall-1 3.0 and 4.0 leaks packets with private IP address information, which could allow remote attackers to determine the real IP address of the host that is making the connection.
2Checkpoint
Cisco
2Firewall 1
Pix Firewall Software
Apr 16, 2026
Feb 12, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
Check Point Firewall-1 allows remote attackers to bypass port access restrictions on an FTP server by forcing it to send malicious packets that Firewall-1 misinterprets as a valid 227 response to a client's PASV attempt.
1Checkpoint
1Firewall 1
Apr 16, 2026
Jan 29, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
Firewall-1 does not properly filter script tags, which allows remote attackers to bypass the "Strip Script Tags" restriction by including an extra < in front of the SCRIPT tag.
1Checkpoint
1Firewall 1
Apr 16, 2026
Oct 20, 1999
N/A· v4
N/A· v3
7.5 HIGH· v2
Firewall-1 does not properly restrict access to LDAP attributes.