Stack-based buffer overflow in Check Point VPN-1 Server 4.1 through 4.1 SP6 and Check…
Priority MEDIUM 53Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Stack-based buffer overflow in Check Point VPN-1 Server 4.1 through 4.1 SP6 and Check Point SecuRemote/SecureClient 4.1 through 4.1 build 4200 allows remote attackers to execute arbitrary code via an ISAKMP packet with a large Certificate Request packet.
Why it matters now
EPSS 0.07623 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:checkpoint:firewall-1:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:4.1:sp1:*:*:*:*:*:* | 4.1 sp1 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:4.1:sp2:*:*:*:*:*:* | 4.1 sp2 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:4.1:sp3:*:*:*:*:*:* | 4.1 sp3 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:4.1:sp4:*:*:*:*:*:* | 4.1 sp4 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:4.1:sp5:*:*:*:*:*:* | 4.1 sp5 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:4.1:sp5a:*:*:*:*:*:* | 4.1 sp5a | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:next_generation_fp0:*:*:*:*:*:*:* | next_generation_fp0 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:firewall-1:next_generation_fp1:*:*:*:*:*:*:* | next_generation_fp1 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:vpn-1:4.1:sp5a:*:*:*:*:*:* | 4.1 sp5a | Vulnerable | Check Point |
- cpe:2.3:a:checkpoint:firewall-1:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:4.1:sp1:*:*:*:*:*:* Versions 4.1 sp1 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:4.1:sp2:*:*:*:*:*:* Versions 4.1 sp2 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:4.1:sp3:*:*:*:*:*:* Versions 4.1 sp3 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:4.1:sp4:*:*:*:*:*:* Versions 4.1 sp4 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:4.1:sp5:*:*:*:*:*:* Versions 4.1 sp5 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:4.1:sp5a:*:*:*:*:*:* Versions 4.1 sp5a Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:next_generation_fp0:*:*:*:*:*:*:* Versions next_generation_fp0 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:firewall-1:next_generation_fp1:*:*:*:*:*:*:* Versions next_generation_fp1 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:vpn-1:4.1:sp5a:*:*:*:*:*:* Versions 4.1 sp5a Vulnerable ·Check Point
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:checkpoint:vpn-1:next_generation_fp0:*:*:*:*:*:*:* | next_generation_fp0 | Vulnerable | Check Point |
| cpe:2.3:a:checkpoint:vpn-1:next_generation_fp1:*:*:*:*:*:*:* | next_generation_fp1 | Vulnerable | Check Point |
- cpe:2.3:a:checkpoint:vpn-1:next_generation_fp0:*:*:*:*:*:*:* Versions next_generation_fp0 Vulnerable ·Check Point
- cpe:2.3:a:checkpoint:vpn-1:next_generation_fp1:*:*:*:*:*:*:* Versions next_generation_fp1 Vulnerable ·Check Point
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0040
- 2026-10-03 Alias added: GHSA-g6gr-9gwj-m25x
References
More Check Point Firewall-1 vulnerabilities
- TI-2004-00028 Multiple format string vulnerabilities in HTTP Application Intelligence (AI) component in… CVSS 2.0HIGH 10.0
- TI-2004-00422 Buffer overflow in the ISAKMP functionality for Check Point VPN-1 and FireWall-1 NG… CVSS 2.0HIGH 10.0
- TI-2004-00066 The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c… CVSS 3.1HIGH 7.5
- TI-2005-03468 The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows… CVSS 2.0HIGH 7.8
- TI-2004-00640 Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when… CVSS 2.0HIGH 7.5
- TI-2001-00897 Buffer overflow in the GUI authentication code of Check Point VPN-1/FireWall-1 Management… CVSS 2.0HIGH 7.5
Sources
- CVE-2004-0040 · CVE Program
- CVE-2004-0040 · NVD
- FIRST EPSS
- GHSA-g6gr-9gwj-m25x · GitHub Advisory Database · CC BY 4.0
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