CVE-2013-20003
HIGH
8.3
CVSS Score
Published: February 4, 2022 at 10:33 PM UTC
Updated: June 16, 2026 at 11:52 PM UTC
12 products affected across 3 vendorsZM5101 FirmwareZM5202 FirmwareZgm230sb27hgn Firmware
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Severity
HIGH8.3
Exploit prediction
EPSS 0.6%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < S0
Affected range stops below S0, so it looks safe — our inference, not a vendor statement
Zgm130S037Hgn· Silabsdevice
80%All versions
Zgm2305A27Hgn· Silabsdevice
80%All versions
Zgm230Sb27Hgn· Silabsdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/x_refsource_MISCTechnical DescriptionThird Party Advisory
Source: [email protected]
https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdfx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-327CWE-338
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