What’s Vulnerable › Vulnerabilities

CVE-2021-43935: ICSMA-21-343-01 Hillrom Welch Allyn Cardio Products

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-15 · updated 2026-06-17
• Weakness: CWE-288

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.

Affected products

• Baxter Welch Allyn Connex Cardio: from 1.0.0 through 1.1.1
• Baxter Welch Allyn Diagnostic Cardiology Suite: 2.1.0
• Baxter Welch Allyn Hscribe Holter Analysis System Firmware: from 5.01 through 6.4.0
• Baxter Welch Allyn Q-Stress Cardiac Stress Testing System Firmware: from 6.0.0 through 6.3.1
• Baxter Welch Allyn Rscribe Resting Ecg System: from 5.01 through 7.0.0
• Baxter Welch Allyn Vision Express Holter Analysis System: from 6.1.0 through 6.4.0
• Baxter Welch Allyn Xscribe Cardiac Stress Testing System Firmware: from 5.01 through 6.3.1

References

• https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01
• https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01

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