Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-27639

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
18/12/2020
Last modified:
21/12/2020

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:L/Au:N/C:P/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: AV:A/AC:L/Au:N/C:P/I:N/A:P

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): Physical

Base Score 2.0
4.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:mitel:6873i_sip_firmware:*:*:*:*:*:*:*:* 5.1.0 (excluding)
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:*:*:*:*:*:*
cpe:2.3:h:mitel:6873i_sip:-:*:*:*:*:*:*:*
cpe:2.3:o:mitel:6930_sip_firmware:*:*:*:*:*:*:*:* 5.1.0 (excluding)
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:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools