Cyber Resilience

CVE-2023-4489

Medium

Published: 14 December 2023

Published
14 December 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.4 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0069 72.3th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-4489 is a medium-severity Cryptographic Operations are run Before Supporting Units are Ready (CWE-1279) vulnerability in Silabs Z\/Ip Gateway Sdk. Its CVSS base score is 6.4 (Medium).

Operationally, ranked in the top 27.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

unauthorized S0 network access.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

silabs
z\/ip gateway sdk
≤ 7.18.03

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References