What is CVE-2020-15483?

CVE-2020-15483 is a medium-severity vulnerability in Niscomed M1000 Multipara Patient Monitor, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2020-08-26.

How severe is CVE-2020-15483?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Auth bypass in Niscomed M1000 Multipara Patient Monitor

CVE-2020-15483

An issue was discovered on Nescomed Multipara Monitor M1000 devices. The physical UART debug port provides a shell, without requiring a password, with complete access.

Vulnerability class: Broken Authentication

Published 2020-08-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.niscomed.com/multipara-monitor.html (Product)
payatu.com/advisory/unauthenticated-uart-root-shell--in-niscomed-patient-monitor (Exploit, Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2020-15483?: CVE-2020-15483 is a medium-severity vulnerability in Niscomed M1000 Multipara Patient Monitor, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2020-08-26.
How severe is CVE-2020-15483?: Medium severity. CVSS v3 base score is 6.8 out of 10.