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

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MEDIUM

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

Published Jul 10, 2007

5.0

MEDIUM

CVSS 2.0

EPSS 1.38%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.38% 0.01382

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01382

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.38% (0.01382)	71.15th	v5 (v2026.06.15)
Jun 15, 2026	1.38% (0.01382)	68.49th	v5 (v2026.06.15)
Mar 17, 2025	0.53% (0.00535)	65.42th	v4 (v2025.03.14)
Dec 12, 2024	1.22% (0.01216)	85.93th	v3 (v2023.03.01)
May 13, 2024	1.14% (0.01141)	84.65th	v3 (v2023.03.01)
Apr 5, 2024	0.95% (0.00954)	82.92th	v3 (v2023.03.01)
Feb 27, 2024	0.92% (0.00920)	82.41th	v3 (v2023.03.01)
Jan 20, 2024	0.91% (0.00905)	81.01th	v3 (v2023.03.01)
Dec 12, 2023	0.87% (0.00869)	80.45th	v3 (v2023.03.01)
Mar 7, 2023	0.77% (0.00766)	78.39th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://osvdb.org/43775
vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/archive/1/473187
mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/24827
vdb-entryx_refsource_BID

Link	Providers	Tags
http://osvdb.org/43775		vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/archive/1/473187		mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/24827		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jul 10, 2007

Updated Aug 7, 2024

Reserved Jul 10, 2007

Link CVE-2007-3661

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2007-3661

Red Hat

Severity n/a

Public date n/a

Links CVE-2007-3661