LiveActive security incident?Get immediate response
CVE Record

CVE-2021-37162: A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by...

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. If an attacker sends a malformed UDP message, a buffer underflow occurs, leading to an out-of-bounds copy and possible remote code execution.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This issue affects Swisslog Healthcare Nexus Panel/HMI3 Control Panel software before Nexus Software 7.2.5.7. A malformed UDP message can trigger memory corruption and may allow remote code execution. For healthcare environments, treat it as a serious operational risk if affected panels are reachable on the network.

Executive priority

Prioritize remediation where affected Swisslog systems are deployed in patient-care or pharmacy transport environments and are reachable over the network. Absence from KEV lowers evidence of active exploitation, but possible remote code execution justifies prompt action.

Technical view

The CVE describes a buffer overflow/underflow condition in HMI3 Control Panel handling of malformed UDP messages. The failure can cause an out-of-bounds copy with possible remote code execution. The source bundle names affected released software before Nexus Software 7.2.5.7 but does not provide CVSS, CWE, port details, or exploit prerequisites.

Likely exposure

Exposure is likely limited to organizations operating Swisslog Healthcare Nexus Panel with HMI3 Control Panel on Nexus Software versions before 7.2.5.7, especially where relevant UDP traffic can reach the device or service.

Exploitation context

The provided sources support possible remote code execution from malformed UDP input. They do not show CISA KEV listing or confirmed active exploitation. Public research and vendor disclosure links exist, but exploit availability is not established in the bundle.

Researcher notes

Key missing details include CVSS scoring, affected CPEs, exact UDP service or port, exploit maturity, and vendor-confirmed workarounds beyond the version threshold. Validate against the Swisslog bulletin before making environment-specific assertions.

Mitigation direction

  • Upgrade affected Nexus Software to version 7.2.5.7 or later.
  • Review Swisslog Healthcare’s CVE disclosure and bulletin for official remediation guidance.
  • Restrict UDP access to affected panels from untrusted networks.
  • Place affected systems behind healthcare network segmentation controls.
  • Monitor Swisslog Healthcare advisories for updated guidance.

Validation and detection

  • Inventory Swisslog Healthcare Nexus Panel and HMI3 Control Panel deployments.
  • Confirm each deployed Nexus Software version against the 7.2.5.7 threshold.
  • Verify UDP exposure is limited to trusted management or clinical networks.
  • Review change records for completed vendor updates.
  • Check vulnerability management data for CVE-2021-37162 matches.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-37162 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.