How severe is CVE-2004-2629?

CVE-2004-2629 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2004-2629 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2629?

CVE-2004-2629 primarily affects First Virtual Communications Click To Meet Express. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-2629?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-2629 published?

CVE-2004-2629 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2629

CVE-2004-2629 is a high-severity vulnerability in First Virtual Communications Click To Meet Express with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: First Virtual Communications Click To Meet Express
Published: 2004-12-31
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2004-2629?: 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.
How severe is CVE-2004-2629?: CVE-2004-2629 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2004-2629 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2629?: CVE-2004-2629 primarily affects First Virtual Communications Click To Meet Express. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2629?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-2629 published?: CVE-2004-2629 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:first_virtual_communications:click_to_meet_express:h.323:*:*:*:*:*:*:*
cpe:2.3:a:first_virtual_communications:click_to_meet_premier:h.323:*:*:*:*:*:*:*
cpe:2.3:a:first_virtual_communications:conference_server:h.323:*:*:*:*:*:*:*
cpe:2.3:a:first_virtual_communications:v-gate:h.323:*:*:*:*:*:*:*