CVE-2021-37164

Name: CVE-2021-37164
Creator: NVD / NIST
Published: 2021-08-02T13:15:07.83+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.40%

Last modified Jun 17, 2026

CVE-2021-37164 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. In the tcpTxThread function, the received data is copied to a stack buffer. EPSS estimates a 3.40% chance of exploitation in the next 30 days.

Description

A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. In the tcpTxThread function, the received data is copied to a stack buffer. An off-by-3 condition can occur, resulting in a stack-based buffer overflow.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.40%

87.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Swisslog-Healthcare	Hmi-3 Control Panel Firmware	< 7.2.5.7

References

Timeline

Published: Aug 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37164?

How severe is CVE-2021-37164?

CVE-2021-37164 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.40% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37164?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37164?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST