CVE-2020-27640

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.

CVSS v3 8.1 HIGH
CVSS v2.0 4.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 6.5 / Impact : 4.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.mitel.com/support/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mitel:mivoice_6940_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mitel:mivoice_6940:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:mitel:mivoice_6930_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mitel:mivoice_6930:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-12-18 08:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-27640

Mitre link : CVE-2020-27640

CVE.ORG link : CVE-2020-27640

JSON object : View

Products Affected

mitel

mivoice_6930_firmware
mivoice_6940
mivoice_6940_firmware
mivoice_6930

CWE

NVD-CWE-noinfo

{"id": "CVE-2020-27640", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "published": "2020-12-18T08:15:14.980", "references": [{"url": "https://www.mitel.com/support/security-advisories", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "El auricular Bluetooth de los tel\u00e9fonos Mitel MiVoice 6940 y 6930 MiNet con versiones de firmware anteriores a 1.5.3, podr\u00eda permitir a un atacante no autenticado dentro del alcance de Bluetooth emparejar un dispositivo Bluetooth fraudulento cuando un tel\u00e9fono pierde la conexi\u00f3n debido a un mecanismo de emparejamiento inapropiado. Un explotaci\u00f3n con \u00e9xito podr\u00eda permitir a un atacante espiar conversaciones"}], "lastModified": "2020-12-22T14:07:48.333", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mitel:mivoice_6940_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B89D8DAF-308E-42E5-96DC-281A37C1CC94", "versionEndExcluding": "1.5.3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mitel:mivoice_6940:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2DF71FCC-0E6D-44EB-B6F0-DB17160620C1"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mitel:mivoice_6930_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E59DB5C1-4CAC-4B1A-9480-C90B37E3FF45", "versionEndExcluding": "1.5.3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mitel:mivoice_6930:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E68BD569-AAD5-42CA-BA84-41B63990AEED"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}