CVE-2004-0040

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.

Published: 2004-03-03 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-0040 is rated High Risk (78.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 30.62%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.74% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-0040

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-07 25.88% 30.62% +4.74%
2 2025-03-30 23.81% 25.88% +2.08%
3 2025-03-29 23.81%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0040

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-0040

Affected software / configurations for CVE-2004-0040

Vendor Product Version Raw CPE
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:*:*:*:*:*:*:*
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:sp1:*:*:*:*:*:*
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:sp2:*:*:*:*:*:*
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:sp3:*:*:*:*:*:*
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:sp4:*:*:*:*:*:*
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:sp5:*:*:*:*:*:*
checkpoint firewall-1 4.1 cpe:2.3:a:checkpoint:firewall-1:4.1:sp5a:*:*:*:*:*:*
checkpoint firewall-1 next_generation_fp0 cpe:2.3:a:checkpoint:firewall-1:next_generation_fp0:*:*:*:*:*:*:*
checkpoint firewall-1 next_generation_fp1 cpe:2.3:a:checkpoint:firewall-1:next_generation_fp1:*:*:*:*:*:*:*
checkpoint vpn-1 4.1 cpe:2.3:a:checkpoint:vpn-1:4.1:sp5a:*:*:*:*:*:*
checkpoint vpn-1 next_generation_fp0 cpe:2.3:a:checkpoint:vpn-1:next_generation_fp0:*:*:*:*:*:*:*
checkpoint vpn-1 next_generation_fp1 cpe:2.3:a:checkpoint:vpn-1:next_generation_fp1:*:*:*:*:*:*:*

References for CVE-2004-0040

cvelogic Threat Intelligence