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High severity8.1NVD Advisory· Published Dec 18, 2020· Updated Jun 17, 2026

CVE-2020-27639

CVE-2020-27639

Description

The Bluetooth handset of Mitel MiVoice 6873i, 6930, and 6940 SIP phones with firmware before 5.1.0.SP6 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.

AI Insight

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Affected products

23
  • Mitel/MiVoice SIP phonesdescription
  • Mitel/Mivoicellm-fuzzy
    Range: <5.1.0.SP6
  • Mitel/6873i Sip Firmware7 versions
    cpe:2.3:o:mitel:6873i_sip_firmware:*:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:mitel:6873i_sip_firmware:*:*:*:*:*:*:*:*range: <5.1.0
    • cpe:2.3:o:mitel:6873i_sip_firmware:5.1.0:-:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6873i_sip_firmware:5.1.0:sp1:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6873i_sip_firmware:5.1.0:sp2:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6873i_sip_firmware:5.1.0:sp3:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6873i_sip_firmware:5.1.0:sp4:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6873i_sip_firmware:5.1.0:sp5:*:*:*:*:*:*
  • Mitel/6930 Sip Firmware7 versions
    cpe:2.3:o:mitel:6930_sip_firmware:*:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:mitel:6930_sip_firmware:*:*:*:*:*:*:*:*range: <5.1.0
    • cpe:2.3:o:mitel:6930_sip_firmware:5.1.0:-:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6930_sip_firmware:5.1.0:sp1:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6930_sip_firmware:5.1.0:sp2:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6930_sip_firmware:5.1.0:sp3:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6930_sip_firmware:5.1.0:sp4:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6930_sip_firmware:5.1.0:sp5:*:*:*:*:*:*
  • Mitel/6940 Sip Firmware7 versions
    cpe:2.3:o:mitel:6940_sip_firmware:*:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:mitel:6940_sip_firmware:*:*:*:*:*:*:*:*range: <5.1.0
    • cpe:2.3:o:mitel:6940_sip_firmware:5.1.0:-:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6940_sip_firmware:5.1.0:sp1:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6940_sip_firmware:5.1.0:sp2:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6940_sip_firmware:5.1.0:sp3:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6940_sip_firmware:5.1.0:sp4:*:*:*:*:*:*
    • cpe:2.3:o:mitel:6940_sip_firmware:5.1.0:sp5:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

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