9.8
CVSSv3

CVE-2023-4489

Published: 14/12/2023 Updated: 28/12/2023
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP Gateway SDK v7.18.3 and previous versions. This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access.

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silabs z\\/ip gateway sdk