SOOIL DiabecareRS/AnyDana-i/AnyDana-A up to 2.x Bluetooth LE inadequate encryption

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CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

A vulnerability has been found in SOOIL DiabecareRS, AnyDana-i and AnyDana-A up to 2.x (Medical Device Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component Bluetooth LE Handler. The manipulation with an unknown input leads to a weak encryption vulnerability. The CWE definition for the vulnerability is CWE-326. As an impact it is known to affect confidentiality. The summary by CVE is:

SOOIL Developments CoLtd DiabecareRS, AnyDana-i, AnyDana-A, The communication protocol of the insulin pump and AnyDana-i,AnyDana-A mobile apps doesn't use adequate measures to authenticate the pump before exchanging keys, which allows unauthenticated, physically proximate attackers to eavesdrop the keys and spoof the pump via BLE.

The weakness was published 01/20/2021 as icsma-21-012-01. It is possible to read the advisory at us-cert.cisa.gov. This vulnerability is known as CVE-2020-27272 since 10/19/2020. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.0 eliminates this vulnerability.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.1
VulDB Temp Score: 2.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.7
NVD Vector: 🔒

CVSSv2infoedit

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Weak encryption
CWE: CWE-326
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: DiabecareRS/AnyDana-i/AnyDana-A 3.0

Timelineinfoedit

10/19/2020 CVE assigned
01/20/2021 +93 days Advisory disclosed
01/20/2021 +0 days VulDB entry created
02/15/2021 +26 days VulDB last update

Sourcesinfoedit

Advisory: icsma-21-012-01
Status: Confirmed

CVE: CVE-2020-27272 (🔒)

Entryinfoedit

Created: 01/20/2021 07:35 AM
Updated: 02/15/2021 01:50 PM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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