CVE-2020-27252

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.7% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-12-14 19:19Z5 YR AGO

Last updated

2025-05-22 19:39Z1 YR AGO

Reserved

2020-10-19

Assigning CNA

icscert

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weaknesses

• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.1

Document digest

0df465594c943f09f92c38edbcc650d0061d05a9d8abce7a950639cbf1c7b04f

• global.medtronic.comhttps://global.medtronic.com/xg-en/product-security/security-bulletins/mycarelink-smart-security-vulnerability-patch.htmlx_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/news-events/ics-medical-advisories/icsma-20-345-01
• us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsma-20-345-01x_refsource_MISC