Multiple vulnerabilities in the H.323 protocol implementation for First Virtual…
Priority LOW 38Published · 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 · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Multiple vulnerabilities in the H.323 protocol implementation for First Virtual Communications Click to Meet Express (when used with H.323 conferencing endpoints), Click to Meet Premier, Conference Server, and V-Gate allow remote attackers to cause a denial of service, as demonstrated by the NISCC/OUSPG PROTOS test suite for the H.225 protocol.
Why it matters now
EPSS 0.0228 83rd 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
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:first_virtual_communications:click_to_meet_express:h.323:*:*:*:*:*:*:* | h.323 | Vulnerable | First Virtual Communications |
| cpe:2.3:a:first_virtual_communications:click_to_meet_premier:h.323:*:*:*:*:*:*:* | h.323 | Vulnerable | First Virtual Communications |
| cpe:2.3:a:first_virtual_communications:conference_server:h.323:*:*:*:*:*:*:* | h.323 | Vulnerable | First Virtual Communications |
| cpe:2.3:a:first_virtual_communications:v-gate:h.323:*:*:*:*:*:*:* | h.323 | Vulnerable | First Virtual Communications |
- cpe:2.3:a:first_virtual_communications:click_to_meet_express:h.323:*:*:*:*:*:*:* Versions h.323 Vulnerable ·First Virtual Communications
- cpe:2.3:a:first_virtual_communications:click_to_meet_premier:h.323:*:*:*:*:*:*:* Versions h.323 Vulnerable ·First Virtual Communications
- cpe:2.3:a:first_virtual_communications:conference_server:h.323:*:*:*:*:*:*:* Versions h.323 Vulnerable ·First Virtual Communications
- cpe:2.3:a:first_virtual_communications:v-gate:h.323:*:*:*:*:*:*:* Versions h.323 Vulnerable ·First Virtual Communications
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-2629
- 2026-10-03 Alias added: GHSA-qpq7-jj5h-mc5q
References
Sources
- CVE-2004-2629 · CVE Program
- CVE-2004-2629 · NVD
- FIRST EPSS
- GHSA-qpq7-jj5h-mc5q · GitHub Advisory Database · CC BY 4.0
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