CVE-2021-27408 Information

Description

The affected product is vulnerable to an out-of-bounds read which can cause information leakage leading to arbitrary code execution if chained to the out-of-bounds write vulnerability 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).

CVSS Vector

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

Reference

https://us-cert.cisa.gov/ics/advisories/icsma-21-152-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5