CVE-2007-3959 json
The IM Server (aka IMserve or IMserver) 2.0.5.30 and probably earlier in Ipswitch Instant Messaging before 2.07 in Ipswitch Collaboration S…
published 2007-07-24 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3943
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.5%
- EPSS 6.5% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
6.46% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
ipswitch.com
/support/instant_messaging/patch-upgrades.asp
patch
-
securityfocus.com
/bid/25031
vdb-entry, patch
-
secunia.com
/advisories/26154
third-party-advisory, patch, vendor-advisory
-
labs.idefense.com
/intelligence/vulnerabilities/display.php?id=566
third-party-advisory, patch
-
vupen.com
/english/advisories/2007/2621
vdb-entry
-
securitytracker.com
/id?1018440
vdb-entry
Sources
- CVE List CVE-2007-3959
- NVD CVE-2007-3959
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.