Vulnerability identifier: #VU53731

Vulnerability risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27408

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Welch Allyn Service Tool
Hardware solutions / Firmware
Welch Allyn Connex Device Integration Suite – Network Connectivity Engine (NCE)
Hardware solutions / Firmware
Welch Allyn Software Development Kit (SDK)
Hardware solutions / Firmware
Welch Allyn Connex Central Station (CS)
Hardware solutions / Firmware
Welch Allyn Service Monitor
Hardware solutions / Firmware
Welch Allyn Connex Vital Signs Monitor (CVSM)
Hardware solutions / Firmware
Welch Allyn Connex Integrated Wall System (CIWS)
Hardware solutions / Firmware
Welch Allyn Connex Spot Monitor (CSM)
Hardware solutions / Firmware
Welch Allyn Spot Vital Signs 4400 Device (Spot 4400)
Hardware solutions / Firmware
Welch Allyn Spot 4400 Vital Signs Extended Care Device
Hardware solutions / Firmware

Vendor:

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote authenticated attacker on the local network can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://ics-cert.us-cert.gov/advisories/icsma-21-152-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.