CVE-2013-20003

HIGH

Silabs Zgm130s037hgn Firmware - Broken Cryptographic Algorithm

Title source: rule

Description

Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a known, shared network key of all zeros, allowing an attacker within radio range to spoof Z-Wave traffic.

References (3)

[Technical Description, Third Party Advisory] https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdf

[Exploit, Third Party Advisory] https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/

[Third Party Advisory] https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/

Scores

CVSS v3 8.3

EPSS 0.0008

EPSS Percentile 22.8%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CWE

CWE-327 CWE-338

Status published

Products (5)

silabs/zgm130s037hgn_firmware s2

silabs/zgm2305a27hgn_firmware s2

silabs/zgm230sb27hgn_firmware s2

silabs/zm5101_firmware s2

silabs/zm5202_firmware s2

Published Feb 04, 2022

Tracked Since Feb 18, 2026