CVE-2020-12702

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2020-12702
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-24 14:15:00 UTC
Updated2021-07-21 11:39:00 UTC
DescriptionWeak 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.

Risk And Classification

Problem Types: CWE-327

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Coolkit Ewelink All All All All
Application Coolkit Ewelink All All All All

References

ReferenceSourceLinkTags
eWeLink - Smart Home - Apps on Google Play MISC play.google.com Product, Third Party Advisory
[CPSIoTSec20] A inSecure by Design IoT Protocol The ESP Touch Protocol and a Case Study - YouTube MISC www.youtube.com Exploit, Third Party Advisory
GitHub - salgio/ESPTouchCatcher: eWeLinkESPT is a tool that automatically decodes and decrypts the WiFi network credentials transmitted to a supported ESP-based IoT device by the eWeLink mobile application. (CVE-2020-12702) MISC github.com Exploit, Third Party Advisory
A (in)Secure-by-Design IoT Protocol | Proceedings of the 2020 Joint Workshop on CPS&IoT Security and Privacy MISC dl.acm.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report