VDB-166576 · CVE-2020-27640 · GCVE-0-2020-27640

Mitel MiVoice 6930/MiVoice 6940 up to 1.5.2 Bluetooth Handset improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mitel MiVoice 6930 and MiVoice 6940 up to 1.5.2 and classified as critical. This vulnerability affects unknown code of the component Bluetooth Handset. Executing a manipulation can lead to improper authentication. This vulnerability is handled as CVE-2020-27640. It is possible to launch the attack on the local host. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mitel MiVoice 6930 and MiVoice 6940 up to 1.5.2 and classified as critical. This vulnerability affects an unknown code of the component Bluetooth Handset. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/18/2020. The advisory is shared for download at mitel.com. This vulnerability was named CVE-2020-27640. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.5.3 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Mitel

Name

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MiVoice 6930/MiVoice 6940 1.5.3

Timelineinfo

12/18/2020 🔍
12/18/2020 +0 days 🔍
12/18/2020 +0 days 🔍

Sourcesinfo

Advisory: mitel.com
Status: Confirmed

CVE: CVE-2020-27640 (🔍)
GCVE (CVE): GCVE-0-2020-27640
GCVE (VulDB): GCVE-100-166576

Entryinfo

Created: 12/18/2020 18:45
Changes: 12/18/2020 18:45 (38)
Complete: 🔍
Cache ID: 216::103