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TI-2007-01744 Aliases CVE-2007-1820GHSA-8mgw-9jfq-gjcq

Nortel Networks CallPilot and Meridian Mail voicemail systems, when a mailbox has auto…

Priority MEDIUM 44Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Nortel Networks CallPilot and Meridian Mail voicemail systems, when a mailbox has auto logon enabled, allow remote attackers to retrieve or remove messages, or reconfigure the mailbox, by spoofing Calling Number Identification (CNID, aka Caller ID).

Why it matters now

EPSS 0.02103 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:nortel:callpilot:*:*:*:*:*:*:*:*all versionsVulnerableNortel
cpe:2.3:a:nortel:meridian_mail:*:*:*:*:*:*:*:*all versionsVulnerableNortel
  • cpe:2.3:a:nortel:callpilot:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Nortel
  • cpe:2.3:a:nortel:meridian_mail:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Nortel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-1820
  2. 2026-10-03 Alias added: GHSA-8mgw-9jfq-gjcq

References

Advisory 1

Other 2

  • TI-2005-00319 Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with… CVSS 2.0MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences