by Kastro
Paper/Archive/CVE-2023-41094

CVE-2023-41094

Silicon Labs Ember ZNet — Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet

EPSS 0.7%CVSS 10.0
critical.is priorityof 100
41
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 52.7.527 × 2010.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing Release of Resource after Effective Lifetime may allow a device to be added outside of valid TouchLink range or pairing duration This issue affects Ember ZNet 7.1.x from 7.1.3 through 7.1.5; 7.2.x from 7.2.0 through 7.2.3; Version 7.3 and later are unaffected

Affected

ProductAffectedFixed inSource
Ember ZNet7.1.3 – 7.1.57.3.0CNA
Ember ZNet7.2.0 – 7.2.37.3.0CNA

Scores by source

Silabs (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcommunity.silabs.com/0688Y00000aIPzL