Vulnerabilities > CVE-2013-20003 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerability in Silabs products
Attack vector
ADJACENT_NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 5 | |
| Hardware | 5 |
Common Weakness Enumeration (CWE)
References
- https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/
- https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/
- https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdf
- 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://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/