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Fencer Vulns
high 8.1

CVE-2021-43935 json

ICSMA-21-343-01 Hillrom Welch Allyn Cardio Products

published 2021-12-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30797

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

The impacted products, when configured to use SSO, are affected by an improper authentication vulnerability. This vulnerability allows the application to accept manual entry of any active directory (AD) account provisioned in the application without supplying a password, resulting in access to the application as the supplied AD account, with all associated privileges.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSMA-21-343-01 updated cvss 8.1

Hillrom Welch Allyn Cardio Products

  • Hillrom Welch Allyn Connex Cardio >= 1.0.0, <= 1.1.1 Hillrom Welch Allyn Diagnostic Cardiology Suite 2.1.0 Hillrom Welch Allyn H-Scribe Holter Analysis System >= 5.01, <= 6.4.0 Hillrom Welch Allyn Q-Stress Cardiac Stress Testing System >= 6.0.0, <= 6.3.1 Hillrom Welch Allyn R-Scribe Resting ECG System >= 5.01, <= 7.0.0 Hillrom Welch Allyn Vision Express >= 6.1.0, <= 6.4.0
    +1 more products
    Hillrom Welch Allyn X-Scribe Cardiac Stress Testing System >= 5.01, <= 6.3.1
    affected: vendor fix hillrom.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Hillrom Welch Allyn Q-Stress Cardiac Stress Testing System
  • Hillrom Welch Allyn X-Scribe Cardiac Stress Testing System
  • Hillrom Welch Allyn Diagnostic Cardiology Suite
  • Hillrom Welch Allyn Vision Express
  • Hillrom Welch Allyn H-Scribe Holter Analysis System
  • Hillrom Welch Allyn R-Scribe Resting ECG System
  • Hillrom Welch Allyn Connex Cardio

Classification

Weakness
  • CWE-288 Authentication Bypass Using an Alternate Path or Channel
  • CWE-287 Improper Authentication

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.