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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 1.85% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- activecampaign/knowledgebuilder
- Source
- cve@mitre.org
EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://pridels0.blogspot.com/2005/11/activecampaign-knowledgebuilder-vuln.html
- http://secunia.com/advisories/17732Vendor Advisory
- http://www.osvdb.org/21098
- http://www.vupen.com/english/advisories/2005/2587
- http://pridels0.blogspot.com/2005/11/activecampaign-knowledgebuilder-vuln.html
- http://secunia.com/advisories/17732Vendor Advisory
- http://www.osvdb.org/21098
- http://www.vupen.com/english/advisories/2005/2587
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.