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CVE-2005-3829

20
FAUCET Score

CVE-2005-3829 describes a denial-of-service vulnerability in ActiveCampaign KnowledgeBuilder 2.4 and earlier, where an invalid category parameter in index.php can trigger excessive SQL queries, leading to high CPU consumption. This vulnerability has a CVSS score of 7.8 (High), indicating it is easily exploitable remotely without authentication and can cause a complete loss of availability. Despite its age and severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.4CPE matchmatch criteria
cpe:2.3:a:activecampaign:knowledgebuilder:2.4:*:*:*:*:*:*:*

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
1.85%
Probability of exploitation in next 30 days
EPSS Percentile
76.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0185 is in the 60th percentile among its peer group of 51,485 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

pridels0.blogspot.com / 2005/11/activecampaign-knowledgebuilder-vuln.html
secunia.com / advisories/17732
Vendor Advisory
osvdb.org / 21098
vupen.com / english/advisories/2005/2587