CVE-2005-3673

highpriority · track · 33EPSS 0.049 · 92 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.88% (92nd) EPSS

CVSS 7.8 · high

Is it mine?

9 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
checkpoint check pointall versionsnvdUScpe:2.3:a:checkpoint:check_point:*:*:*:*:*:*:*:*
checkpoint express= ci_r57nvdUScpe:2.3:a:checkpoint:express:*:*:*:*:*:*:*:*
checkpoint firewall-1= 3.0nvdUScpe:2.3:a:checkpoint:firewall-1:*:*:*:*:*:*:*:*
checkpoint vpn-1= ngx_r60nvdUScpe:2.3:a:checkpoint:vpn-1:*:*:*:*:*:*:*:*
checkpoint vpn-1 firewall-1 next generation= r54nvdUScpe:2.3:a:checkpoint:vpn-1_firewall-1_next_generation:*:*:*:*:*:*:*:*
checkpoint vpn-1 firewall-1 next generation= r55nvdUScpe:2.3:a:checkpoint:vpn-1_firewall-1_next_generation:*:*:*:*:*:*:*:*
checkpoint vpn-1 firewall-1 next generation= r55pnvdUScpe:2.3:a:checkpoint:vpn-1_firewall-1_next_generation:*:*:*:*:*:*:*:*
checkpoint vpn-1 firewall-1 next generation= r55wnvdUScpe:2.3:a:checkpoint:vpn-1_firewall-1_next_generation:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2005-11-18modified 2026-06-16

references (18)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan