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CVE-2020-9059

23
FAUCET Score

CVE-2020-9059 is a medium-severity vulnerability affecting Z-Wave devices utilizing Silicon Labs 500 series chipsets with S0 authentication, exemplified by the Schlage BE468 door lock. An attacker within radio range can trigger uncontrolled resource consumption, leading to rapid battery depletion and potential device failure, such as a door lock failing open. There is no known public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:silabs:500_series_firmware:*:*:*:*:*:*:*:*
3.42CPE matchmatch criteria
cpe:2.3:o:schlage:be468:3.42:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 84th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

doi.org / 10.1109/ACCESS.2021.3138768
Broken Link
github.com / CNK2100/VFuzz-public
Third Party Advisory
ieeexplore.ieee.org / document/9663293
Broken Link
kb.cert.org / vuls/id/142629
Third Party AdvisoryUS Government Resource
kb.cert.org / vuls/id/142629
Third Party AdvisoryUS Government Resource