CVE Vulnerability

CVE-2021-27941

Unconstrained Web access to the device's private encryption key in the QR code pairing mode in the eWeLink mobile application (through 4.9.2 on Android and through 4.9.1 on iOS) allows a physically proximate attacker to eavesdrop on Wi-Fi credentials and other sensitive information by monitoring the Wi-Fi spectrum during a device pairing process.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

4.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/salgio/eWeLink-QR-Code Third Party Advisory
https://apps.apple.com/us/app/ewelink-smart-home/id1035163158 Product Third Party Advisory
https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US Product Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:coolkit:ewelink:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:coolkit:ewelink:*:*:*:*:*:android:*:*
Information

Published : 2021-05-06 09:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-27941

Mitre link : CVE-2021-27941

Products Affected
No products.
CWE
CWE-522