How severe is CVE-2005-3829?

CVE-2005-3829 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2005-3829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3829?

CVE-2005-3829 affects Activecampaign Knowledgebuilder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-3829?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2005-3829 published?

CVE-2005-3829 was published on 2005-11-26 and last updated on 2026-06-16.

CVE-2005-3829

CVE-2005-3829 is a high-severity vulnerability in Activecampaign Knowledgebuilder with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Activecampaign Knowledgebuilder
Published: 2005-11-26
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2005-3829?: CVE-2005-3829 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2005-3829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3829?: CVE-2005-3829 affects Activecampaign Knowledgebuilder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-3829?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-3829 published?: CVE-2005-3829 was published on 2005-11-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:activecampaign:knowledgebuilder:2.4:*:*:*:*:*:*:*

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