CVE-2023-51393

Potential DoS due to BusFault and Assert in Ember ZNet legacy packet buffer

Published Feb 23, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Due to an allocation of resources without limits, an uncontrolled resource consumption vulnerability exists in Silicon Labs Ember ZNet SDK prior to v7.4.0.0 (delivered as part of Silicon Labs Gecko SDK v4.4.0) which may enable attackers to trigger a bus fault and crash of the device, requiring a reboot in order to rejoin the network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-56114 Due to an allocation of resources without limits, an uncontrolled resource consumption vulnerability exists in Silicon Labs Ember ZNet SDK prior to v7.4.0.0 (delivered as part of Silicon Labs Gecko SDK v4.4.0) which may enable attackers to trigger a bus fault and crash of the device, requiring a reboot in order to rejoin the network.
History
Type Values Removed Values Added
First Time appeared Silabs emberznet
CPEs cpe:2.3:a:silabs:emberznet:*:*:*:*:*:*:*:*
Vendors & Products Silabs emberznet
Type Values Removed Values Added
Weaknesses CWE-400
Type Values Removed Values Added
First Time appeared Silabs
Silabs emberznet Sdk
CPEs cpe:2.3:a:silabs:emberznet_sdk:-:*:*:*:*:*:*:*
Vendors & Products Silabs
Silabs emberznet Sdk
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Due to an allocation of resources without limits, an uncontrolled resource consumption vulnerability exists in Silicon Labs Ember ZNet SDK prior to v7.4.0.0 (delivered as part of Silicon Labs Gecko SDK v4.4.0) which may enable attackers to trigger a bus fault and crash of the device, requiring a reboot in order to rejoin the network. Due to an allocation of resources without limits, an uncontrolled resource consumption vulnerability exists in Silicon Labs Ember ZNet SDK prior to v7.4.0.0 (delivered as part of Silicon Labs Gecko SDK v4.4.0) which may enable attackers to trigger a bus fault and crash of the device, requiring a reboot in order to rejoin the network.
Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Apr 22, 2025, 4:15 PM
Reserved
Dec 18, 2023, 8:56 PM
Status
Analyzed
Published
Feb 23, 2024, 8:15 PM
Modified
Jun 17, 2026, 6:40 AM