CVE-2013-20003 json
Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a known, shared network key of all zeros, allo…
published 2022-02-04 4 y ago modified 2026-06-16 4 mo ago also EUVD-2013-1990
- cvss
- 8.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
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.
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- pentestpartners.com https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.3 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 7.9 | AV:A/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Silicon Labs Z-Wave
- Sierra Designs Z-Wave
Classification
References
-
pentestpartners.com
/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/
exploit, third-party-advisory
-
sensepost.com
/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdf
technical-description, third-party-advisory
-
orangecyberdefense.com
/global/blog/sensepost/blackhat-conference-z-wave-security/
third-party-advisory
Sources
- CVE List CVE-2013-20003
- NVD CVE-2013-20003
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.