CVE-2020-12702 json
Weak encryption in the Quick Pairing mode in the eWeLink mobile application (Android application V4.9.2 and earlier, iOS application V4.9.1…
published 2021-02-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4990
- cvss
- 4.6
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/salgio/ESPTouchCatcher referenced PoC, tagged "exploit" by a source, unverified
- youtube.com https://www.youtube.com/watch?v=DghYH7WY6iE&feature=youtu.be referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
References
-
github.com
/salgio/ESPTouchCatcher
exploit, third-party-advisory
-
youtube.com
/watch?v=DghYH7WY6iE&feature=youtu.be
exploit, third-party-advisory
-
play.google.com
/store/apps/details?id=com.coolkit&hl=en_US
product, third-party-advisory
-
dl.acm.org
/doi/abs/10.1145/3411498.3419965
third-party-advisory
Sources
- CVE List CVE-2020-12702
- NVD CVE-2020-12702
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