How severe is CVE-2007-3661?

CVE-2007-3661 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-3661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3661?

CVE-2007-3661 affects Eltima Software Virtual Serial Port. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3661?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-3661 published?

CVE-2007-3661 was published on 2007-07-10 and last updated on 2026-06-16.

CVE-2007-3661

CVE-2007-3661 is a medium-severity vulnerability in Eltima Software Virtual Serial Port with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Eltima Software Virtual Serial Port
Published: 2007-07-10
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-3661?: 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.
How severe is CVE-2007-3661?: CVE-2007-3661 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-3661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3661?: CVE-2007-3661 affects Eltima Software Virtual Serial Port. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3661 published?: CVE-2007-3661 was published on 2007-07-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:eltima_software:virtual_serial_port:*:*:*:*:*:*:*:*