CVE-2007-1820
Nortel Networks CallPilot and Meridian Mail voicemail systems, when a mailbox has auto logon...
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).
Exploit likelihood
What each source reports
NVD Score used
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).
- Record
CVE-2007-1820- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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).
- Record
CVE-2007-1820- Updated
- 2026-11-02
EUVDEUVD-2007-1814 No score
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).
- Record
EUVD-2007-1814- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8mgw-9jfq-gjcq No score
Nortel Networks CallPilot and Meridian Mail voicemail systems, when a mailbox has auto logon...
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).
- Record
GHSA-8mgw-9jfq-gjcq- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-1820 is a high vulnerability (CVSS 9.3) in Nortel Callpilot, published April 2, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. No source names a fixed version.