Security readout for executives and security teams
Plain-English summary
CVE-2020-25183 affects Medtronic MyCareLink Smart Model 25000 Patient Reader. The reader may accept a different phone or malicious app as if it were the legitimate mobile app when nearby over Bluetooth. This could affect confidentiality, integrity, and availability in a patient monitoring workflow. Sources do not state active exploitation.
Executive priority
Treat this as high priority for healthcare environments supporting affected Medtronic readers. The business concern is not internet-wide compromise, but patient-device trust failure where nearby or on-phone attackers could interfere with monitoring workflows.
Technical view
This is CWE-287 improper authentication in the protocol between the MCL Smart Patient Reader and MyCareLink Smart mobile app. The attack vector is adjacent Bluetooth, low complexity, no privileges, and user interaction required. CVSS 3.1 is 8.0, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to environments or patients using Medtronic Smart Model 25000 Patient Reader with MyCareLink Smart mobile app. Practical risk requires Bluetooth proximity to the reader or a malicious application on the patient smartphone.
Exploitation context
The bundle describes authentication bypass within Bluetooth range, but gives no public exploit details and KEV is false. Active exploitation should not be assumed from these sources.
Researcher notes
Do not broaden scope beyond Smart Model 25000 Patient Reader. The source bundle names all versions as affected but does not provide patch version details. Validation should focus on asset presence, vendor bulletin status, Bluetooth adjacency assumptions, and mobile app trust controls.
Mitigation direction
- Identify all Medtronic Smart Model 25000 Patient Readers in use.
- Review Medtronic’s security bulletin for patch or product-specific instructions.
- Review CISA ICSMA-20-345-01 for vendor-confirmed mitigations and operational guidance.
- Limit unauthorized physical proximity to patient readers where practical.
- Educate users to avoid untrusted apps on phones used with medical devices.
Validation and detection
- Confirm whether any Smart Model 25000 Patient Readers are deployed or supported.
- Verify installed reader and app versions against Medtronic guidance.
- Check mobile devices paired with readers for untrusted or unexpected applications.
- Document Bluetooth proximity controls for affected patient workflows.
- Track remediation evidence from Medtronic or clinical engineering records.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-25183 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.15.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8HighVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://global.medtronic.com/xg-en/product-security/security-bulletins/mycarelink-smart-security-vulnerability-patch.htmlCVE reference · x_refsource_MISC
- https://www.cisa.gov/news-events/ics-medical-advisories/icsma-20-345-01CVE reference
- https://us-cert.cisa.gov/ics/advisories/icsma-20-345-01CVE reference · x_refsource_MISC, x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.