SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43935

The impacted products, when configured to use SSO, are affected by an improper authentication vulnerability.

CRITICAL 9.8EPSS 1.15%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.15% probability · 67th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-288, CWE-287
Affected
baxter/welch allyn connex cardio · baxter/welch allyn diagnostic cardiology suite · baxter/welch allyn rscribe resting ecg system · baxter/welch allyn vision express holter analysis system · baxter/welch allyn hscribe holter analysis system firmware · baxter/welch allyn q-stress cardiac stress testing system firmware · baxter/welch allyn xscribe cardiac stress testing system firmware
Source
ics-cert@hq.dhs.gov
EPSS trend
0%3%5%26 October 2026: 1.15%26 October 202626 October 2026

EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.