The IM Server (aka IMserve or IMserver) 2.0.5.30 and probably earlier in Ipswitch Instant…
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.0646 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-3959
- 2026-10-03 Alias added: GHSA-434f-9q9x-rchx
References
More Ipswitch Imserver vulnerabilities
- TI-2008-00909 Directory traversal vulnerability in the IM Server (aka IMserve or IMserver) in Ipswitch… CVSS 2.0MEDIUM 4.9
- TI-2008-00908 Format string vulnerability in the logging function in the IM Server (aka IMserve or… CVSS 2.0LOW 3.5
Sources
- CVE-2007-3959 · CVE Program
- CVE-2007-3959 · NVD
- FIRST EPSS
- GHSA-434f-9q9x-rchx · GitHub Advisory Database · CC BY 4.0
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