Vulnerability Report

CVE-2007-3959

Title: Ipswitch Imserver Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2007-3959.

CWE Category NVD-CWE-noinfo

Published Date Jul 24, 2007

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

6.46%

Vulnerability Summary

CVE-2007-3959: The IM Server (aka IMserve or IMserver) 2.0.5.30 and probably earlier in Ipswitch Instant Messaging before 2.07 in Ipswitch Collaboration Suite (ICS) allows remote attackers to cause a denial of service (daemon crash) via certain data to TCP port 5179 that overwrites a destructor, as reachable by the (1) DoAttachVideoSender, (2) DoAttachVideoReceiver, (3) DoAttachAudioSender, and (4) DoAttachAudioReceiver functions.

Impacted Vendors

ipswitch 2

Reference Links

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=566 http://secunia.com/advisories/26154 http://www.ipswitch.com/support/instant_messaging/patch-upgrades.asp http://www.securityfocus.com/bid/25031 http://www.securitytracker.com/id?1018440 http://www.vupen.com/english/advisories/2007/2621 http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=566 http://secunia.com/advisories/26154 http://www.ipswitch.com/support/instant_messaging/patch-upgrades.asp http://www.securityfocus.com/bid/25031 http://www.securitytracker.com/id?1018440 http://www.vupen.com/english/advisories/2007/2621

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2007-3959 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

July 24, 2007 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.