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Fencer Vulns
critical 9.3

CVE-2007-6387 in the critical feed json

Multiple stack-based buffer overflows in the awApi4.AnswerWorks.1 ActiveX control in awApi4.dll 4.0.0.42, as used by Vantage Linguistics An…

published 2007-12-15 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6353

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
38.0%
EPSS 38.0% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-4825)

Exploit prediction

38.03% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4825 Vantage Linguistics AnswerWorks 4 - API ActiveX Control Buffer Overflow remote, 2007-12-31

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.