Description

The affected product is vulnerable to an out-of-bounds write, which may result in corruption of data or code execution on the Welch Allyn medical device management tools (Welch Allyn Service Tool: versions prior to v1.10, Welch Allyn Connex Device Integration Suite – Network Connectivity Engine (NCE): versions prior to v5.3, Welch Allyn Software Development Kit (SDK): versions prior to v3.2, Welch Allyn Connex Central Station (CS): versions prior to v1.8.6, Welch Allyn Service Monitor: versions prior to v1.7.0.0, Welch Allyn Connex Vital Signs Monitor (CVSM): versions prior to v2.43.02, Welch Allyn Connex Integrated Wall System (CIWS): versions prior to v2.43.02, Welch Allyn Connex Spot Monitor (CSM): versions prior to v1.52, Welch Allyn Spot Vital Signs 4400 Device (Spot 4400) / Welch Allyn Spot 4400 Vital Signs Extended Care Device: versions prior to v1.11.00).

Severity

 

CVSS Version 3.x CVSS Version 2.0

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score:  9.8 CRITICAL

Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

CVSS 2.0 Severity and Metrics:

NIST: NVD

Base Score:  7.5 HIGH

Vector:  (AV:N/AC:L/Au:N/C:P/I:P/A:P)

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://us-cert.cisa.gov/ics/advisories/icsma-21-152-01	Mitigation  Third Party Advisory  US Government Resource

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	ICS-CERT

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Initial Analysis by NIST 6/24/2021 11:07:32 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 1006 characters. View Entire Change Record OR *cpe:2.3:a:hillrom:connex_central_station:*:*:*:*:*:*:*:* versions up to (excluding) 1.8.6 *cpe:2.3:a:hillrom:connex_device_integration_suite_network_connectivity_engine:*:*:*:*:*:*:*:* versions up to (excluding) 5.3 *cpe:2.3:a:hillrom:connex_integrated_wall_system:*:*:*:*:*:*:*:* versions up to (excluding) 2.43.02 *cpe:2.3:a:hillrom:connex_spot_monitor:*:*:*:*:*:*:*:* versions up to (excluding) 1.52 *cpe:2.3:a:hillrom:connex_vital_signs_monitor:*:*:*:*:*:*:*:* versio
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed	Reference Type	https://us-cert.cisa.gov/ics/advisories/icsma-21-152-01 No Types Assigned	https://us-cert.cisa.gov/ics/advisories/icsma-21-152-01 Mitigation, Third Party Advisory, US Government Resource