Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.2%
CVSS Severity
CVSS v3 Score 4.6
CVSS v2 Score 2.1
References
- https://apps.apple.com/us/app/ewelink-smart-home/id1035163158
- https://github.com/salgio/eWeLink-QR-Code
- https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US
- https://apps.apple.com/us/app/ewelink-smart-home/id1035163158
- https://github.com/salgio/eWeLink-QR-Code
- https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US
Products affected by CVE-2021-27941
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cpe:2.3:a:coolkit:ewelink:3.10.0
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cpe:2.3:a:coolkit:ewelink:3.11.0
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cpe:2.3:a:coolkit:ewelink:3.12.0
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cpe:2.3:a:coolkit:ewelink:3.13.0
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cpe:2.3:a:coolkit:ewelink:3.14.0
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cpe:2.3:a:coolkit:ewelink:3.14.1
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cpe:2.3:a:coolkit:ewelink:3.15.0
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cpe:2.3:a:coolkit:ewelink:3.7.0
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cpe:2.3:a:coolkit:ewelink:3.8.0
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cpe:2.3:a:coolkit:ewelink:3.9.0
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cpe:2.3:a:coolkit:ewelink:3.9.1
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cpe:2.3:a:coolkit:ewelink:4.1.0
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cpe:2.3:a:coolkit:ewelink:4.1.1
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cpe:2.3:a:coolkit:ewelink:4.2.0
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cpe:2.3:a:coolkit:ewelink:4.2.1
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cpe:2.3:a:coolkit:ewelink:4.3.0
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cpe:2.3:a:coolkit:ewelink:4.3.1
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cpe:2.3:a:coolkit:ewelink:4.3.2
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cpe:2.3:a:coolkit:ewelink:4.4.0
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cpe:2.3:a:coolkit:ewelink:4.4.1
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cpe:2.3:a:coolkit:ewelink:4.5.0
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cpe:2.3:a:coolkit:ewelink:4.5.1
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cpe:2.3:a:coolkit:ewelink:4.6.0
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cpe:2.3:a:coolkit:ewelink:4.7.0
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cpe:2.3:a:coolkit:ewelink:4.8.0
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cpe:2.3:a:coolkit:ewelink:4.8.1
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cpe:2.3:a:coolkit:ewelink:4.9.0
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cpe:2.3:a:coolkit:ewelink:4.9.1
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cpe:2.3:a:coolkit:ewelink:4.9.2