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CVE-2020-27640

HIGH
8.1
CVSS Score
Published: December 18, 2020 at 07:19 AM UTC
Updated: June 17, 2026 at 03:09 AM UTC
4 products affected across 1 vendorMivoice 6940 FirmwareMivoice 6930 FirmwareMivoice 6930

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Severity
HIGH8.1
Exploit prediction
EPSS 0.5%

Description

The Bluetooth handset of Mitel MiVoice 6940 and 6930 MiNet phones with firmware before 1.5.3 could allow an unauthenticated attacker within Bluetooth range to pair a rogue Bluetooth device when a phone handset loses connection, due to an improper pairing mechanism. A successful exploit could allow an attacker to eavesdrop on conversations.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mivoice 6930 Firmware· Mitel
95%
v < 1.5.3
Affected range stops below 1.5.3, so it looks safe — our inference, not a vendor statement
mitel-mivoice-6930 (same device)
Mivoice 6940 Firmware· Mitel
95%
v < 1.5.3
Affected range stops below 1.5.3, so it looks safe — our inference, not a vendor statement
mitel-mivoice-6940 (same device)
Mivoice 6930· Miteldevice
80%
All versions
Mivoice 6940· Miteldevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.mitel.com/support/security-advisories

CVSS

8.1HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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