CVE-2020-27059 json
In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an ove…
published 2021-01-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19583
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069.
Patch / fix
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- source.android.com https://source.android.com/security/bulletin/pixel/2021-01-01 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-1021 Improper Restriction of Rendered UI Layers or Frames
References
-
source.android.com
/security/bulletin/pixel/2021-01-01
exploit, patch, vendor-advisory
Sources
- CVE List CVE-2020-27059
- NVD CVE-2020-27059
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