Vulnerability in Coolkit Ewelink

CVE-2020-12702

Weak encryption in the Quick Pairing mode in the eWeLink mobile application (Android application V4.9.2 and earlier, iOS application V4.9.1 and earlier) allows physically proximate attackers to eavesdrop on Wi-Fi credentials and other sensitive information by monitoring the Wi-Fi spectrum during the pairing process.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-12702?
CVE-2020-12702 is a medium-severity vulnerability in Coolkit Ewelink, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 4.6/10. Published 2021-02-24.
How severe is CVE-2020-12702?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2020-12702 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.