Read the docs
TI-2004-00640 Aliases CVE-2004-0699GHSA-ww4h-ghgr-92pr

Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when…

Priority MEDIUM 42Published · 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
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when Aggressive Mode IKE is implemented, allows remote attackers to execute arbitrary code by initiating an IKE negotiation and then sending an IKE packet with malformed ASN.1 data.

Why it matters now

EPSS 0.05947 93rd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:checkpoint:firewall-1:4.1:sp6:*:*:*:*:*:*4.1 sp6VulnerableCheck Point
cpe:2.3:a:checkpoint:vpn-1:*:*:*:*:*:*:*:*all versionsVulnerableCheck Point
  • cpe:2.3:a:checkpoint:firewall-1:4.1:sp6:*:*:*:*:*:* Versions 4.1 sp6 Vulnerable ·Check Point
  • cpe:2.3:a:checkpoint:vpn-1:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Check Point

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-0699
  2. 2026-10-03 Alias added: GHSA-ww4h-ghgr-92pr

References

  • TI-2004-00028 Multiple format string vulnerabilities in HTTP Application Intelligence (AI) component in… CVSS 2.0HIGH 10.0
  • TI-2004-00029 Stack-based buffer overflow in Check Point VPN-1 Server 4.1 through 4.1 SP6 and Check… 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-2001-00897 Buffer overflow in the GUI authentication code of Check Point VPN-1/FireWall-1 Management… CVSS 2.0HIGH 7.5
See all 42 →

Sources