CVE-2023-4489
Medium
Description
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 earlier. This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access.
SeverityMedium
CVSS6.4
Exploit probability—
ProductSilabs Z\/ip Gateway Sdk
PublishedDec 14, 2023
First seenDec 14, 2023
Weakness typeCWE-1279CWE-1279
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| silabs z\/ip_gateway_sdk | v ≤ 7.18.03 | — |
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