CVE-2023-51393: emberznet DoS (CVSS 5.3)

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.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
silabs	emberznet	< 7.4.0

References

Other References

https://community.silabs.com/068Vm000001NaAM https://community.silabs.com/068Vm000001NaAM

Frequently Asked Questions

What is CVE-2023-51393? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2023-51393? +

CVE-2023-51393 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-51393? +

CVE-2023-51393 affects products from silabs, specifically: emberznet. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-51393? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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