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Fencer Vulns
medium 5.6

CVE-2003-20001 json

An issue was discovered on Mitel ICP VoIP 3100 devices.

published 2025-04-01 19 mo ago modified 2026-06-16 4 mo ago also EUVD-2025-9495

cvss
5.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
1
Exploit-DB

Summary

An issue was discovered on Mitel ICP VoIP 3100 devices. When a remote user attempts to log in via TELNET during the login wait time and an external call comes in, the system incorrectly divulges information about the call and any SMDR records generated by the system. The information provided includes the service type, extension number and other parameters, related to the call activity.

Timeline

  1. First public exploit (EDB-49176)
  2. Published

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-49176 Mitel mitel-cs018 - Call Data Information Disclosure remote, 2020-12-02

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.