CVE-2013-20003
Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a...
CVE-2013-20003 is a high vulnerability (CVSS 8.3) in Sierra Designs Z-wave, published February 4, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-20003- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 7.9 High
AV:A/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-327, CWE-338
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-20003- Weakness
- CWE-327
- Updated
- 2026-11-02
EUVDEUVD-2013-1990 No score
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.
- Record
EUVD-2013-1990- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w5v5-5vpm-87mx No score
Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a...
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.
- Record
GHSA-w5v5-5vpm-87mx- Weakness
- CWE-338
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |
References
sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdf
pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks
orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security
nvd.nist.gov/vuln/detail/CVE-2013-20003
github.com/advisories/GHSA-w5v5-5vpm-87mx