CVEvulnerability
CVE-2021-27941
4.6 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-05-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.6 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-522
Description
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.
Affected configurations
• coolkit ewelink (<= 4.9.1)
• coolkit ewelink (<= 4.9.2)
Related
Weakness · CWE (1)
- CWE-522 Insufficiently Protected Credentials weakness
References
- https://apps.apple.com/us/app/ewelink-smart-home/id1035163158 Product, Third Party Advisory
- https://github.com/salgio/eWeLink-QR-Code Third Party Advisory
- https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US Product, Third Party Advisory
- https://apps.apple.com/us/app/ewelink-smart-home/id1035163158 Product, Third Party Advisory
- https://github.com/salgio/eWeLink-QR-Code Third Party Advisory
- https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US Product, Third Party Advisory