Vulnerability CVE-2020-12702
Published: 2021-02-24

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.

Type:

CWE-326

 (Inadequate Encryption Strength)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Coolkit -> Ewelink 

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