Vulnerability CVE-2013-20003
Published: 2022-02-04   Modified: 2022-02-05

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.

Type:

CWE-338

 (Use of Cryptographically Weak PRNG)

CVSS2 => (AV:A/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.9/10
10/10
5.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdf
https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/
https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/
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