CVE-2005-3829

index.php in ActiveCampaign KnowledgeBuilder 2.4 and earlier allows remote attackers to cause a denial of service (CPU consumption) via an invalid category parameter, which causes a large number of SQL queries to be processed.

Published: 2005-11-26 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-3829 is rated Moderate Risk (56.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.83%). 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-2005-3829

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 2025-03-30 0.65% 0.83% +0.19%
2 2025-03-29 0.83% 0.65% -0.19%
3 2025-03-19 — 0.83% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3829

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2005-3829

Affected software / configurations for CVE-2005-3829

Vendor Product Version Raw CPE
activecampaign knowledgebuilder 2.4 cpe:2.3:a:activecampaign:knowledgebuilder:2.4:*:*:*:*:*:*:*

References for CVE-2005-3829

cvelogic Threat Intelligence