4.6
MEDIUM
CVE-2020-12702
eWeLink Wi-Fi Pairing Encryption Leak
Description

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.

INFO

Published Date :

Feb. 24, 2021, 2:15 p.m.

Last Modified :

July 21, 2021, 11:39 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.9
Public PoC/Exploit Available at Github

CVE-2020-12702 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-12702 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Coolkit ewelink
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-12702.

URL Resource
https://dl.acm.org/doi/abs/10.1145/3411498.3419965 Third Party Advisory
https://github.com/salgio/ESPTouchCatcher Exploit Third Party Advisory
https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US Product Third Party Advisory
https://www.youtube.com/watch?v=DghYH7WY6iE&feature=youtu.be Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
soosmile/POC

None

Updated: 2 months, 3 weeks ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.
Profile Photo
salgio/eWeLink-QR-Code

This repo describes a vulnerability affecting the QR code based pairing process of the eWeLink IoT devices (CVE-2020-12702).

Updated: 3 years, 4 months ago
0 stars 1 fork 1 watcher
Born at : May 4, 2021, 2:50 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 6 months, 2 weeks ago
33 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
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)

Python

Updated: 2 years ago
4 stars 0 fork 0 watcher
Born at : Jan. 11, 2020, 1:15 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-12702 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-12702 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-326 CWE-327
  • Initial Analysis by [email protected]

    Mar. 03, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://dl.acm.org/doi/abs/10.1145/3411498.3419965 No Types Assigned https://dl.acm.org/doi/abs/10.1145/3411498.3419965 Third Party Advisory
    Changed Reference Type https://github.com/salgio/ESPTouchCatcher No Types Assigned https://github.com/salgio/ESPTouchCatcher Exploit, Third Party Advisory
    Changed Reference Type https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US No Types Assigned https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US Product, Third Party Advisory
    Changed Reference Type https://www.youtube.com/watch?v=DghYH7WY6iE&feature=youtu.be No Types Assigned https://www.youtube.com/watch?v=DghYH7WY6iE&feature=youtu.be Exploit, Third Party Advisory
    Added CWE NIST CWE-326
    Added CPE Configuration OR *cpe:2.3:a:coolkit:ewelink:*:*:*:*:*:iphone_os:*:* versions up to (including) 4.9.1 *cpe:2.3:a:coolkit:ewelink:*:*:*:*:*:android:*:* versions up to (including) 4.9.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-12702 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-12702 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.08 }} 0.01%

score

0.34373

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: