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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| 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:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://marc.info/?l=bugtraq&m=107604682227031&w=2 | |
| http://www.ciac.org/ciac/bulletins/o-073.shtml | |
| http://www.kb.cert.org/vuls/id/873334 | Patch Third Party Advisory US Government Resource |
| http://www.osvdb.org/3821 | |
| http://www.osvdb.org/4432 | |
| http://www.securityfocus.com/bid/9582 | Patch Vendor Advisory |
| http://xforce.iss.net/xforce/alerts/id/163 | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/14150 |