CVE-2021-0305
In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This...
CVE-2021-0305 is a high vulnerability (CVSS 7.8) in Google Android, published February 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. Fixed in platform/packages/apps/PackageInstaller 8.0:2021-02-01.
- Severity
- 7.8 HighCVSS 3.1, NVD
- Exploit chance
- 0.54%EPSS, 45th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
8.0:2021-02-01platform/packages/apps/PackageInstaller +9 more
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-154015447
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/apps/PackageInstallerAndroid | 8.0:0 up to 8.0:2021-02-01, plus listed versions 8.0 | 8.0:2021-02-01 |
platform/packages/apps/SettingsAndroid | 8.0:0 up to 8.0:2021-02-01, plus listed versions 8.0 | 8.0:2021-02-01 |
platform/packages/apps/PackageInstallerAndroid | 8.1:0 up to 8.1:2021-02-01, plus listed versions 8.1 | 8.1:2021-02-01 |
platform/packages/apps/SettingsAndroid | 8.1:0 up to 8.1:2021-02-01, plus listed versions 8.1 | 8.1:2021-02-01 |
platform/packages/apps/PackageInstallerAndroid | 9:0 up to 9:2021-02-01, plus listed versions 9 | 9:2021-02-01 |
platform/packages/apps/SettingsAndroid | 9:0 up to 9:2021-02-01, plus listed versions 9 | 9:2021-02-01 |
platform/packages/apps/PackageInstallerAndroid | 10:0 up to 10:2021-02-01, plus listed versions 10 | 10:2021-02-01 |
platform/packages/apps/SettingsAndroid | 10:0 up to 10:2021-02-01, plus listed versions 10 | 10:2021-02-01 |
platform/packages/apps/PackageInstallerAndroid | 11:0 up to 11:2021-02-01, plus listed versions 11 | 11:2021-02-01 |
platform/packages/apps/SettingsAndroid | 11:0 up to 11:2021-02-01, plus listed versions 11 | 11:2021-02-01 |
What each source reports
NVD Score used
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-154015447
- Record
CVE-2021-0305- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-1021
- Updated
- 2026-11-02
CVE ListNo score
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-154015447
- Record
CVE-2021-0305- Updated
- 2026-11-02
EUVDEUVD-2021-2924No score
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-154015447
- Record
EUVD-2021-2924- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qp58-fc8h-jpwxNo score
In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This...
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-154015447
- Record
GHSA-qp58-fc8h-jpwx- Weakness
- CWE-1021
- Updated
- 2026-11-02
OSVASB-A-154015447No score
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.
- Record
ASB-A-154015447- Updated
- 2026-11-10
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
source.android.com/security/bulletin/2021-02-01
nvd.nist.gov/vuln/detail/CVE-2021-0305
github.com/advisories/GHSA-qp58-fc8h-jpwx
android.googlesource.com/platform/packages/apps/PackageInstaller/+/8c5b4cd30a77733dd1012725b69d2089f78455ac