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CVE-2004-2629

20
FAUCET Score

CVE-2004-2629 describes multiple denial-of-service vulnerabilities within the H.323 protocol implementation of First Virtual Communications products, including Click to Meet Express, Click to Meet Premier, Conference Server, and V-Gate. These vulnerabilities, demonstrated by the NISCC/OUSPG PROTOS test suite, allow unauthenticated remote attackers to disrupt service. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector and complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
h.323CPE matchmatch criteria
cpe:2.3:a:first_virtual_communications:click_to_meet_express:h.323:*:*:*:*:*:*:*
h.323CPE matchmatch criteria
cpe:2.3:a:first_virtual_communications:click_to_meet_premier:h.323:*:*:*:*:*:*:*
h.323CPE matchmatch criteria
cpe:2.3:a:first_virtual_communications:conference_server:h.323:*:*:*:*:*:*:*
h.323CPE matchmatch criteria
cpe:2.3:a:first_virtual_communications:v-gate:h.323:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0228 is in the 67th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/11192
Vendor Advisory
support.fvc.com / eng/docs/misc_docs/H.323_Security_Bulletin.pdf
cert.org / advisories/CA-2004-01.html
Third Party AdvisoryUS Government Resource
uniras.gov.uk / vuls/2004/006489/h323.htm