Vulnerability in Silabs 700 Series Firmware

CVE-2020-10137

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.

EPSS: 0.007 (49.6th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
  • cret@cert.org (x_refsource_MISC, Broken Link)
  • cret@cert.org (Third Party Advisory, x_refsource_MISC)
  • cret@cert.org (x_refsource_MISC, Broken Link)
  • cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2020-10137?
CVE-2020-10137 is a medium-severity vulnerability in Silabs 700 Series Firmware, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2022-01-10.
How severe is CVE-2020-10137?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-10137 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.