Resource exhaustion in Schlage Be468
CVE-2020-9059
Z-Wave devices based on Silicon Labs 500 series chipsets using S0 authentication are susceptible to uncontrolled resource consumption leading to battery exhaustion. As an example, the Schlage BE468 version 3.42 door lock is vulnerable and fails open at a low battery level.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (56.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Schlage Be468 — versions 3.42
- Silabs 500 Series Firmware
- Silicon Labs 500 Series — versions all
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.cert.org/vuls/id/142629 (US Government Resource, Third Party Advisory, third-party-advisory)
- ieeexplore.ieee.org/document/9663293 (Broken Link)
- github.com/CNK2100/VFuzz-public (Third Party Advisory)
- doi.org/10.1109/ACCESS.2021.3138768 (Broken Link)
- www.kb.cert.org/vuls/id/142629 (US Government Resource, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2020-9059?
- CVE-2020-9059 is a medium-severity vulnerability in Schlage Be468, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2022-01-10.
- How severe is CVE-2020-9059?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-9059 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.