Back
CVE-2013-20003
Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a known, shared network key of all zeros,…
High8.3EPSS 0.57%
- Published
- Updated
- Reserved
- Assigned by
- certcc
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.3 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.57% · top 53% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.3.
Weakness
Affected products
Silicon Labs · Z-Wave
- affected S0
Sierra Designs · Z-Wave
- affected S0 – < S0
References (3)
- https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/ (opens in a new tab)x_refsource_MISCx_transferred
- https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/ (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .