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

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HIGH

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

Published Dec 4, 2005

7.8

HIGH

CVSS 2.0

EPSS 2.28%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.28% 0.02280

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02280

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.28% (0.02280)	82.52th	v5 (v2026.06.15)
Jun 15, 2026	2.28% (0.02280)	80.81th	v5 (v2026.06.15)
Mar 17, 2025	1.21% (0.01214)	77.64th	v4 (v2025.03.14)
Dec 12, 2024	1.24% (0.01239)	86.07th	v3 (v2023.03.01)
May 24, 2024	0.55% (0.00550)	77.44th	v3 (v2023.03.01)
May 10, 2024	0.46% (0.00462)	75.28th	v3 (v2023.03.01)
Apr 25, 2024	0.39% (0.00391)	73.02th	v3 (v2023.03.01)
Mar 15, 2024	0.28% (0.00282)	67.84th	v3 (v2023.03.01)
Feb 8, 2024	0.27% (0.00266)	65.24th	v3 (v2023.03.01)
Mar 7, 2023	1.34% (0.01337)	83.96th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://secunia.com/advisories/11192
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://support.fvc.com/eng/docs/misc_docs/H.323_Security_Bulletin.pdf
x_refsource_CONFIRM
http://www.cert.org/advisories/CA-2004-01.html
third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
http://www.uniras.gov.uk/vuls/2004/006489/h323.htm
x_refsource_MISC

Link	Providers	Tags
http://secunia.com/advisories/11192		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://support.fvc.com/eng/docs/misc_docs/H.323_Security_Bulletin.pdf		x_refsource_CONFIRM
http://www.cert.org/advisories/CA-2004-01.html		third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
http://www.uniras.gov.uk/vuls/2004/006489/h323.htm		x_refsource_MISC

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 4, 2005

Updated Sep 16, 2024

Reserved Dec 4, 2005

Link CVE-2004-2629

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2004-2629

Red Hat

Severity n/a

Public date n/a

Links CVE-2004-2629