Vulnerability record · CVE-2007-3959 · published 24 July 2007

CVE-2007-3959: Ipswitch imserver vulnerability

Ipswitch · Imserver

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.

5.0 CVSS 2.0 Medium EPSS 6.5% · top 6.5%

5.0CVSS 2.0 base score

6.5%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

12References

16 Jun 2026Last modified by NVD

Description

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Imserver Ipswitch

Ipswitch Collaboration Suite Ipswitch

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2007-3927Ipswitch imail server vulnerabilityMultiple buffer overflows in Ipswitch IMail Server 2006 before 2006.21 (1) allow remote attackers to execute arbitrary code via unspecified vectors i…EPSS 22%21 Jul 2007 10.0CVE-2005-1255Ipswitch imail vulnerabilityMultiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMai…EPSS 43%25 May 2005 10.0CVE-2005-1256IMail IMAP daemon stack buffer overflow via STATUS commandThe IMAP daemon (IMAPD32.EXE) in Ipswitch IMail 8.13 and other versions before IMail Server 8.2 Hotfix 2 contains a stack-based buffer overflow trigg…EPSS 59%analysed25 May 2005 9.3CVE-2007-1637Ipswitch imail vulnerabilityMultiple buffer overflows in the IMAILAPILib ActiveX control (IMailAPI.dll) in Ipswitch IMail Server before 2006.2 allow remote attackers to execute …EPSS 5.6%23 Mar 2007 7.5CVE-2006-4379Ipswitch IMail SMTP daemon stack buffer overflow via crafted address stringThe SMTP daemon in Ipswitch Collaboration Suite 2006 (Premium and Standard), IMail, IMail Plus and IMail Secure contains a stack-based buffer overflo…EPSS 61%analysed8 Sep 2006 7.5CVE-2005-2931Ipswitch imail server vulnerabilityFormat string vulnerability in the SMTP service in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to exe…EPSS 4.7%7 Dec 2005 7.2CVE-2005-0707Ipswitch collaboration suite vulnerabilityBuffer overflow in the IMAP daemon (IMAP4d32.exe) for Ipswitch Collaboration Suite (ICS) before 8.15 Hotfix 1 allows remote authenticated users to ex…EPSS 2.0%2 May 2005 6.5CVE-2007-3925Ipswitch IMail Server IMAP service buffer overflows via Search commandsIpswitch IMail Server 2006 before 2006.21 contains multiple buffer overflows in the IMAP service (imapd32.exe) reachable through the Search and Searc…EPSS 85%analysed21 Jul 2007

Source: NIST National Vulnerability Database (record CVE-2007-3959), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.