CVE-2021-0331 json
In onCreate of NotificationAccessConfirmationActivity.java, there is a possible overlay attack due to an insecure default value.
published 5y ago modified 4mo ago also EUVD-2021-2950
- cvss
- 7.3
- 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 21%
- public exploits
- 0
- none known
Summary
In onCreate of NotificationAccessConfirmationActivity.java, there is a possible overlay attack due to an insecure default value. This could lead to local escalation of privilege and notification access with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-170731783
Patch / fix
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Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-24-074-07 updated cvss 7.3
Siemens SIMATIC
-
Siemens SIMATIC RF160B (6GT2003-0FA00) <V2.2affected: mitigation “Siemens has released a new version (V2.2) for SIMATIC RF160B and recommends to update to the latest version.” siemens.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-1021 Improper Restriction of Rendered UI Layers or Frames
References
-
source.android.com
/security/bulletin/2021-02-01
patch, vendor-advisory
Sources
- CVE List CVE-2021-0331
- NVD CVE-2021-0331
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