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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (21.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- play.google.com/store/apps/details (Product, Third Party Advisory)
- dl.acm.org/doi/abs/10.1145/3411498.3419965 (Third Party Advisory)
- github.com/salgio/ESPTouchCatcher (Exploit, Third Party Advisory)
- www.youtube.com/watch (Exploit, Third Party Advisory)
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.