CVE-2007-3959
The IM Server (aka IMserve or IMserver) 2.0.5.30 and probably earlier in Ipswitch Instant...
CVE-2007-3959 is a medium vulnerability (CVSS 5.0) in Ipswitch Imserver, published July 24, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.46%, the 93rd percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-3959- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-3959- Updated
- 2026-11-02
EUVDEUVD-2007-3943 No score
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.
- Record
EUVD-2007-3943- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-434f-9q9x-rchx No score
The IM Server (aka IMserve or IMserver) 2.0.5.30 and probably earlier in Ipswitch Instant...
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.
- Record
GHSA-434f-9q9x-rchx- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | aliases, references, title | GitHub Advisories |
| 2026-11-02 | created | CVE List, NVD |
References
ipswitch.com/support/instant_messaging/patch-upgrades.asp
vupen.com/english/advisories/2007/2621
securityfocus.com/bid/25031
secunia.com/advisories/26154
securitytracker.com/id?1018440
labs.idefense.com/intelligence/vulnerabilities/display.php?id=566
nvd.nist.gov/vuln/detail/CVE-2007-3959
github.com/advisories/GHSA-434f-9q9x-rchx