Is CVE-2007-3661 being actively exploited?

CVE-2007-3661 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-3661?

CVE-2007-3661 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2007-3661

MEDIUM · CVSS 5.0EPSS 1.4%EU EUVD

Eltima Software Virtual Serial Port (VSPAX) ActiveX control (VSPort.DLL) allows remote attackers to cause a denial of service via certain function calls, as demonstrated via the (1) Attach, (2) Write, and (3) WriteStr functions.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 1.4% (72th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-3645)
Published: July 10, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-3645 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

eltima software / virtual serial port

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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