CVE-2004-0056

highpriority · track · 31EPSS 0.038 · 90 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.81% (90th) EPSS

CVSS 7.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

Multiple vulnerabilities in the H.323 protocol implementation for Nortel Networks Business Communications Manager (BCM), Succession 1000 IP Trunk and IP Peer Networking, and 802.11 Wireless IP Gateway allow remote attackers to cause a denial of service and possibly execute arbitrary code, as demonstrated by the NISCC/OUSPG PROTOS test suite for the H.225 protocol.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferredCWE-94USLLM-inferred

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
nortel 802.11 wireless ip gatewayall versionsnvdUScpe:2.3:h:nortel:802.11_wireless_ip_gateway:*:*:*:*:*:*:*:*
nortel business communications managerall versionsnvdUScpe:2.3:a:nortel:business_communications_manager:*:*:*:*:*:*:*:*
nortel succession communication server 1000all versionsnvdUScpe:2.3:h:nortel:succession_communication_server_1000:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2004-02-17modified 2026-06-16

references (10)

External citations — patches, advisories, analysis.

http://www.cert.org/advisories/CA-2004-01.html enisa_euvd
http://www.kb.cert.org/vuls/id/749342 enisa_euvd
http://www.securityfocus.com/bid/9406 enisa_euvd
http://www.securitytracker.com/id?1008687 enisa_euvd
http://www.uniras.gov.uk/vuls/2004/006489/h323.htm enisa_euvd
http://www.cert.org/advisories/CA-2004-01.htmlPatchThird Party AdvisoryUS Government Resourcenvd
http://www.kb.cert.org/vuls/id/749342PatchThird Party AdvisoryUS Government Resourcenvd
http://www.securityfocus.com/bid/9406 nvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan