CVE-2021-43935
ICSMA-21-343-01 Hillrom Welch Allyn Cardio Products
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ICSMA-21-343-01 Hillrom Welch Allyn Cardio Products
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.
- Record
CVE-2021-43935- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2021-30797
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.
- Record
EUVD-2021-30797- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vv5r-9wcq-cqcm
The impacted products, when configured to use SSO, are affected by an improper authentication...
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.
- Record
GHSA-vv5r-9wcq-cqcm- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287, CWE-288
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-43935- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-288, CWE-287
- Updated
- 2026-11-02
Affected products
- baxter welch allyn connex cardio
- baxter welch allyn diagnostic cardiology suite
- baxter welch allyn hscribe holter analysis system firmware
- baxter welch allyn q-stress cardiac stress testing system firmware
- baxter welch allyn rscribe resting ecg system
- baxter welch allyn vision express holter analysis system
- baxter welch allyn xscribe cardiac stress testing system firmware
- hillrom welch allyn connex cardio
- hillrom welch allyn diagnostic cardiology suite
- hillrom welch allyn h-scribe holter analysis system
- hillrom welch allyn q-stress cardiac stress testing system
- hillrom welch allyn r-scribe resting ecg system
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43935 is a high vulnerability (CVSS 8.1) in Baxter Welch Allyn Connex Cardio, published December 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 66th percentile. No source names a fixed version.