{"id":"CVE-2020-12702","aliases":["EUVD-2020-4990","GHSA-4hq8-rhcf-fxwv"],"status":"published","title":"Weak encryption in the Quick Pairing mode in the eWeLink mobile application (Android application...","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.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00306,"percentile":0.23632,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-326","CWE-327"],"published":"2021-02-24T13:58:28Z","modified":"2026-06-17T02:52:09Z","exploits":[{"source":"pocgithub","id":"salgio/ESPTouchCatcher","title":"salgio/ESPTouchCatcher","date":"2020-01-11","url":"https://github.com/salgio/ESPTouchCatcher"},{"source":"pocgithub","id":"salgio/eWeLink-QR-Code","title":"salgio/eWeLink-QR-Code","date":"2021-05-04","url":"https://github.com/salgio/eWeLink-QR-Code"}],"products":[{"vendor":"coolkit","product":"ewelink"}],"references":[{"url":"https://play.google.com/store/apps/details?id=com.coolkit\u0026hl=en_US","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory"]},{"url":"https://dl.acm.org/doi/abs/10.1145/3411498.3419965","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/salgio/ESPTouchCatcher","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.youtube.com/watch?v=DghYH7WY6iE\u0026feature=youtu.be","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12702"},{"url":"https://github.com/advisories/GHSA-4hq8-rhcf-fxwv"}],"sources":{"cve":[{"id":"CVE-2020-12702","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.","status":"published","published":"2021-02-24T13:58:28Z","modified":"2024-08-04T12:04:22.546Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4990","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.","status":"published","published":"2021-02-24T13:58:28Z","modified":"2024-08-04T12:04:22Z","updated_at":"2026-11-03T03:07:39.298733Z"}],"ghsa":[{"id":"GHSA-4hq8-rhcf-fxwv","title":"Weak encryption in the Quick Pairing mode in the eWeLink mobile application (Android application...","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.","status":"published","published":"2022-05-24T17:42:58Z","modified":"2023-01-29T05:05:51Z","cwes":["CWE-326"],"updated_at":"2026-11-02T14:45:53.730969Z"}],"nvd":[{"id":"CVE-2020-12702","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.","status":"published","published":"2021-02-24T14:15:13.15Z","modified":"2026-06-17T02:52:09.793Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:06:37.687844Z"}]}}