How severe is CVE-2021-0992?

CVE-2021-0992 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-0992 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0992?

CVE-2021-0992 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-0992?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-0992 published?

CVE-2021-0992 was published on 2021-12-15 and last updated on 2026-06-17.

CVE-2021-0992

CVE-2021-0992 is a low-severity vulnerability in Google Android with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1021.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.9
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Google Android
Published: 2021-12-15
Last modified: 2026-06-17

Description

In onCreate of PaymentDefaultDialog.java, there is a possible way to change a default payment app without user consent due to tapjack overlay. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-180104327

Frequently asked questions

What is CVE-2021-0992?: In onCreate of PaymentDefaultDialog.java, there is a possible way to change a default payment app without user consent due to tapjack overlay. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-180104327
How severe is CVE-2021-0992?: CVE-2021-0992 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-0992 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0992?: CVE-2021-0992 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-0992?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0992 published?: CVE-2021-0992 was published on 2021-12-15 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2021-12-01

Affected products (1)

cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*

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