How severe is CVE-2021-0302?

CVE-2021-0302 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-0302 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0302?

CVE-2021-0302 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-0302?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-0302 published?

CVE-2021-0302 was published on 2021-02-10 and last updated on 2026-06-17.

CVE-2021-0302

CVE-2021-0302 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Google Android
Published: 2021-02-10
Last modified: 2026-06-17

Description

In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782

Frequently asked questions

What is CVE-2021-0302?: In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-155287782
How severe is CVE-2021-0302?: CVE-2021-0302 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-0302 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0302?: CVE-2021-0302 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0302?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-0302 published?: CVE-2021-0302 was published on 2021-02-10 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2021-02-01

Affected products (3)

cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*

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