CVE-2007-6387

Exp

Multiple stack-based buffer overflows in the awApi4.AnswerWorks.1 ActiveX control in awApi4.dll 4.0.0.42, as used by Vantage Linguistics AnswerWorks, and Intuit Clearly Bookkeeping, ProSeries, QuickBooks, Quicken, QuickTax, and TurboTax, allow remote attackers to execute arbitrary code via long arguments to the (1) GetHistory, (2) GetSeedQuery, (3) SetSeedQuery, and possibly other methods. NOTE: some of these details are obtained from third party information.

Published: 2007-12-15 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-6387 is rated High Exploit Risk (85.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 57.18%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-6387

EDB-ID Source Kind Published Link
4825 exploit_db edb 2007-12-31 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-6387

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 57.89% 57.18% -0.71%
2 2025-03-29 57.18% 57.89% +0.71%
3 2025-03-17 — 57.18% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-6387

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-6387

Affected software / configurations for CVE-2007-6387

Vendor Product Version Raw CPE
intuit bookkeeping — cpe:2.3:a:intuit:bookkeeping:*:*:*:*:*:*:*:*
intuit proseries — cpe:2.3:a:intuit:proseries:*:*:*:*:*:*:*:*
intuit quickbooks — cpe:2.3:a:intuit:quickbooks:*:*:*:*:*:*:*:*
intuit quicken — cpe:2.3:a:intuit:quicken:*:*:*:*:*:*:*:*
intuit quicktax — cpe:2.3:a:intuit:quicktax:*:*:*:*:*:*:*:*
intuit turbo_tax — cpe:2.3:a:intuit:turbo_tax:*:*:*:*:*:*:*:*
microsoft activex 4.0.0.42 cpe:2.3:a:microsoft:activex:4.0.0.42:*:*:*:*:*:*:*
vantage_linquistics answerworks — cpe:2.3:a:vantage_linquistics:answerworks:*:*:*:*:*:*:*:*

References for CVE-2007-6387

cvelogic Threat Intelligence