How severe is CVE-2007-6387?

CVE-2007-6387 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-6387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6387?

CVE-2007-6387 primarily affects Intuit Bookkeeping. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6387?

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

When was CVE-2007-6387 published?

CVE-2007-6387 was published on 2007-12-15 and last updated on 2026-06-16.

CVE-2007-6387

CVE-2007-6387 is a critical-severity vulnerability in Intuit Bookkeeping with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Intuit Bookkeeping
Published: 2007-12-15
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-6387?: 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.
How severe is CVE-2007-6387?: CVE-2007-6387 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-6387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6387?: CVE-2007-6387 primarily affects Intuit Bookkeeping. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-6387 published?: CVE-2007-6387 was published on 2007-12-15 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:intuit:bookkeeping:*:*:*:*:*:*:*:*
cpe:2.3:a:intuit:proseries:*:*:*:*:*:*:*:*
cpe:2.3:a:intuit:quickbooks:*:*:*:*:*:*:*:*
cpe:2.3:a:intuit:quicken:*:*:*:*:*:*:*:*
cpe:2.3:a:intuit:quicktax:*:*:*:*:*:*:*:*
cpe:2.3:a:intuit:turbo_tax:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:activex:4.0.0.42:*:*:*:*:*:*:*
cpe:2.3:a:vantage_linquistics:answerworks:*:*:*:*:*:*:*:*

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