CVE-2021-43935 - CVE House
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Status published High CVE-2021-43935

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

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Hillrom reported this vulnerability to CISA

References

Affected Vendor

Affected Software

Welch Allyn Q-Stress Cardiac Stress Testing System, Welch Allyn X-Scribe Cardiac Stress Testing System, Welch Allyn Diagnostic Cardiology Suite, Welch Allyn Vision Express, Welch Allyn H-Scribe Holter Analysis System, Welch Allyn R-Scribe Resting ECG System, Welch Allyn Connex Cardio
Vulnerable Versions:
6.0.0, 5.01, 2.1.0, 6.1.0, 1.0.0

Timeline

Official Publish: December 15th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-288

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Privilege Escalation