CVE-2019-6538

CRITICAL

Medtronic MyCareLink Monitor 24950 and 24952 - Unauthenticated Improper Access Control via Conexus Telemetry Protocol

Title source: llm
STIX 2.1

Description

The Conexus telemetry protocol utilized within Medtronic MyCareLink Monitor versions 24950 and 24952, CareLink Monitor version 2490C, CareLink 2090 Programmer, Amplia CRT-D, Claria CRT-D, Compia CRT-D, Concerto CRT-D, Concerto II CRT-D, Consulta CRT-D, Evera ICD, Maximo II CRT-D and ICD, Mirro ICD, Nayamed ND ICD, Primo ICD, Protecta ICD and CRT-D, Secura ICD, Virtuoso ICD, Virtuoso II ICD, Visia AF ICD, and Viva CRT-D does not implement authentication or authorization. An attacker with adjacent short-range access to an affected product, in situations where the product’s radio is turned on, can inject, replay, modify, and/or intercept data within the telemetry communication. This communication protocol provides the ability to read and write memory values to affected implanted cardiac devices; therefore, an attacker could exploit this communication protocol to change memory in the implanted cardiac device.

References (2)

Core 2
Core References
Mitigation, Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSMA-19-080-01
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/107544

Scores

CVSS v3 9.3
EPSS 0.0084
EPSS Percentile 53.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Details

CWE
CWE-284 CWE-306 CWE-862
Status published
Products (21)
medtronic/amplia_crt-d_firmware
medtronic/carelink_2090_firmware
medtronic/carelink_monitor_firmware 2490c
medtronic/claria_crt-d_firmware
medtronic/compia_crt-d_firmware
medtronic/concerto_crt-d_firmware
medtronic/concerto_ii_crt-d_firmware
medtronic/consulta_crt-d_firmware
medtronic/evera_icd_firmware
medtronic/maximo_ii_crt-d_and_lcd_firmware
... and 11 more
Published Mar 25, 2019
Tracked Since Feb 18, 2026