CVE-2007-3805

The IKE implementation in Clavister CorePlus before 8.80.03, and 8.80.00, does not properly validate certificates during IKE negotiation, which allows remote attackers to cause a denial of service (gateway stop) via certain certificates.

Published: 2007-07-16 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-3805 is rated Moderate Risk (41/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.88%). Review affected assets and schedule 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-2007-3805

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 2026-06-15 0.48% 0.88% +0.40%
2 2026-03-04 0.39% 0.48% +0.09%
3 2025-03-30 — 0.39% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3805

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 2.0 MEDIUM
AV:N/AC:H/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.9 6.9 [email protected]

Weakness enumeration for CVE-2007-3805

Affected software / configurations for CVE-2007-3805

Vendor Product Version Raw CPE
clavister clavister_coreplus <= 8.80.03 cpe:2.3:a:clavister:clavister_coreplus:*:*:*:*:*:*:*:*
clavister clavister_coreplus 8.81.00 cpe:2.3:a:clavister:clavister_coreplus:8.81.00:*:*:*:*:*:*:*

References for CVE-2007-3805

cvelogic Threat Intelligence