PT-2021-23986 · Hillrom+1 · Welch Allyn Connex Cardio+9

Published 2021-12-15 · Updated 2022-07-25 · CVE-2021-43935

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Impacted products (affected versions not specified)

Description: The issue is related to an improper authentication mechanism when the products are configured to use Single Sign-On (SSO). This allows the application to accept manual entry of any active directory (AD) account provisioned in the application without requiring a password. As a result, an attacker can gain access to the application with the privileges associated with the supplied AD account.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-287

CWE-288

Related Identifiers

CVE-2021-43935

Affected Products

Welch Allyn Connex Cardio

Welch Allyn Diagnostic Cardiology Suite

Welch Allyn H-Scribe Holter Analysis System

Welch Allyn Q-Stress Cardiac Stress Testing System

Welch Allyn Rscribe Resting Ecg System

Welch Allyn Vision Express

Welch Allyn X-Scribe Cardiac Stress Testing System

Welch Allyn Hscribe Holter Analysis System Firmware

Welch Allyn Vision Express Holter Analysis System

Welch Allyn Xscribe Cardiac Stress Testing System Firmware

References · 3

• https://osv.dev/vulnerability/CVE-2021-43935 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43935 · Security Note
• https://cisa.gov/uscert/ics/advisories/icsma-21-343-01 · Note