Critical severity · published Dec 15, 2021
CVE-2021-43935
The impacted products, when configured to use SSO, are affected by an improper authentication vulnerability
9.8
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Welch Allyn Connex Cardio · Baxter
1.0.0 through 1.1.1 · source: NVD
WA
Welch Allyn Diagnostic Cardiology Suite · Baxter
2.1.0 · source: NVD
WA
Welch Allyn Hscribe Holter Analysis System Firmware · Baxter
5.01 through 6.4.0 · source: NVD
WA
Welch Allyn Q-stress Cardiac Stress Testing System Firmware · Baxter
6.0.0 through 6.3.1 · source: NVD
WA
Welch Allyn Rscribe Resting Ecg System · Baxter
5.01 through 7.0.0 · source: NVD
WA
Welch Allyn Vision Express Holter Analysis System · Baxter
6.1.0 through 6.4.0 · source: NVD
WA
Welch Allyn Xscribe Cardiac Stress Testing System Firmware · Baxter
5.01 through 6.3.1 · source: NVD