CVE-2023-51392: emberznet Weak Crypto (CVSS 6.2)

Description

Ember ZNet between v7.2.0 and v7.4.0 used software AES-CCM instead of integrated hardware cryptographic accelerators, potentially increasing risk of electromagnetic and differential power analysis sidechannel attacks.

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CVSS v3.1 Score

6.2

MEDIUM

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

Weakness Type (CWE)

CWE-1240 CWE-1240

CWE-327 CWE-327

Affected Products

Vendor	Product	Versions
silabs	emberznet	7.2.0 — 7.2.4

References

Other References

https://community.silabs.com/068Vm000001BKm6 https://community.silabs.com/068Vm000001BKm6

Frequently Asked Questions

What is CVE-2023-51392? +

Ember ZNet between v7.2.0 and v7.4.0 used software AES-CCM instead of integrated hardware cryptographic accelerators, potentially increasing risk of electromagnetic and differential power analysis sidechannel attacks. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2023-51392? +

CVE-2023-51392 has a CVSS v3.1 score of 6.2 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-2023-51392? +

CVE-2023-51392 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-2023-51392? +

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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