CVE-2020-10137 Denial of service in UZB-7
Remote attackers can cause denial of service in Z-Wave devices by injecting unauthenticated FIND_NODE_IN_RANGE frames, affecting Silicon Labs 700 series chipsets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10137?
CVE-2020-10137 is a medium-severity denial of service vulnerability in Silicon Labs UZB-7, published on 9 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Z-Wave devices based on Silicon Labs 700 series chipsets using S2 do not adequately authenticate or encrypt FIND_NODE_IN_RANGE frames, allowing a remote, unauthenticated attacker to inject a FIND_NODE_IN_RANGE frame with an invalid random payload, denying service by blocking the processing of upcoming events.
Weakness: CWE-345
Which versions are affected by CVE-2020-10137?
It affects 2 products.
Products include Silabs 700 Series Firmware, Silabs Uzb-7.
How do I fix CVE-2020-10137?
No fix has been published for CVE-2020-10137 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-10137 being exploited?
There is no known exploitation of CVE-2020-10137 in the wild and no public exploit code.
Sources
Also known as GHSA-2m2c-95xg-qw58.