Vulnerability Details : 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.
Products affected by CVE-2020-9059
- cpe:2.3:o:silabs:500_series_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schlage:be468:3.42:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-9059
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-9059
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.1
|
MEDIUM | AV:A/AC:L/Au:N/C:N/I:N/A:C |
6.5
|
6.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-9059
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The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: cret@cert.org (Secondary)
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The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-9059
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https://ieeexplore.ieee.org/document/9663293
Riding the IoT Wave With VFuzz: Discovering Security Flaws in Smart Homes | IEEE Journals & Magazine | IEEE XploreBroken Link
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https://doi.org/10.1109/ACCESS.2021.3138768
Riding the IoT Wave With VFuzz: Discovering Security Flaws in Smart Homes | IEEE Journals & Magazine | IEEE XploreBroken Link
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https://kb.cert.org/vuls/id/142629
VU#142629 - Silicon Labs Z-Wave chipsets contain multiple vulnerabilitiesThird Party Advisory;US Government Resource
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https://github.com/CNK2100/VFuzz-public
GitHub - CNK2100/VFuzz-publicThird Party Advisory
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https://www.kb.cert.org/vuls/id/142629
VU#142629 - Silicon Labs Z-Wave chipsets contain multiple vulnerabilitiesThird Party Advisory;US Government Resource
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