What’s Vulnerable › Vulnerabilities
CVE-2013-20003
- Severity: high (CVSS 8.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-02-04 · updated 2026-06-16
- Weakness: CWE-327
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.
Affected products
- Silabs Zgm130S037Hgn Firmware: s2
- Silabs Zgm2305A27Hgn Firmware: s2
- Silabs Zgm230Sb27Hgn Firmware: s2
- Silabs Zm5101 Firmware: s2
- Silabs Zm5202 Firmware: s2
References
- 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://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/
- 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://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/
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