Vulnerabilities > CVE-2023-4489 - Use of Uninitialized Resource vulnerability in Silabs Z/Ip Gateway SDK 7.18.01/7.18.03

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
silabs
CWE-908
critical
NVD
Published: 2023-12-14
Updated: 2024-11-21

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 earlier. This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access.

Vulnerable Configurations

Part Description Count
Application
Silabs
3

Common Weakness Enumeration (CWE)

References