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CVE-2004-0056

20
FAUCET Score

CVE-2004-0056 describes multiple vulnerabilities within the H.323 protocol implementation affecting Nortel Networks Business Communications Manager, Succession 1000 IP Trunk and IP Peer Networking, and 802.11 Wireless IP Gateway products. These flaws allow remote attackers to trigger a denial of service and potentially execute arbitrary code. The vulnerability has a CVSS score of 7.5, indicating a high severity with a network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and 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
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:nortel:business_communications_manager:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:nortel:802.11_wireless_ip_gateway:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:nortel:succession_communication_server_1000:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.81%
Probability of exploitation in next 30 days
EPSS Percentile
88.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0381 is in the 80th percentile among its peer group of 51,551 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

cert.org / advisories/CA-2004-01.html
PatchThird Party AdvisoryUS Government Resource
kb.cert.org / vuls/id/749342
PatchThird Party AdvisoryUS Government Resource
securityfocus.com / bid/9406
securitytracker.com / id
uniras.gov.uk / vuls/2004/006489/h323.htm