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CVE-2005-3673

21
FAUCET Score

CVE-2005-3673 describes a denial-of-service vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation across several Check Point products, including Firewall-1 and VPN-1. This flaw allows remote attackers to disrupt service by sending specially crafted IKE packets. With a CVSS score of 7.8, it is considered highly severe, requiring no authentication and having low attack complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:checkpoint:check_point:*:*:*:*:*:*:*:*
ci_r57CPE matchmatch criteria
cpe:2.3:a:checkpoint:express:ci_r57:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:checkpoint:firewall-1:3.0:*:gx:*:*:*:*:*
ngx_r60CPE matchmatch criteria
cpe:2.3:a:checkpoint:vpn-1:ngx_r60:*:pro:*:*:*:*:*
r54CPE matchmatch criteria
cpe:2.3:a:checkpoint:vpn-1_firewall-1_next_generation:r54:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.88%
Probability of exploitation in next 30 days
EPSS Percentile
91.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0488 is in the 84th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / niscc/NISCC-273756/index.html
secunia.com / advisories/17621
secureknowledge.us.checkpoint.com / SecureKnowledge/viewSolutionDocument.do
securitytracker.com / id
ee.oulu.fi / research/ouspg/protos/testing/c09/isakmp
kb.cert.org / vuls/id/226364
Third Party AdvisoryUS Government Resource
niscc.gov.uk / niscc/docs/re-20051114-01014.pdf
Vendor Advisory
securityfocus.com / bid/15479
vupen.com / english/advisories/2005/2470