synced 8 MIN AGO
01 Record

CVE-2021-0331

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

UnratedPUBLISHEDCNA: google_android
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.27% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 19.6% of scored records. A rank, not a probability.
NVD base score
7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-02-10 16:49Z5 YR AGO
Last updated
2024-08-03 15:39Z2 YR AGO
Reserved
2020-11-06
Assigning CNA
google_android
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-1021Improper Restriction of Rendered UI Layers or FramesBase
Data version
5.1
Document digest
b822fe585012c8b347af2b7d09128c31330fbe5e70397b85925ed94f7bbaef77

05 Affected products

VendorProductVersionsPlatforms
n/aAndroidAndroid-9 Android-10 Android-11 Android-8.1—

06 References