CVE-2021-0394
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read...
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-172655291
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-172655291
- Record
CVE-2021-0394- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-172655291
- Record
CVE-2021-0394- Updated
- 2026-11-02
EUVDEUVD-2021-3013 No score
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-172655291
- Record
EUVD-2021-3013- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-35g8-4m6m-fr64 No score
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read...
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-172655291
- Record
GHSA-35g8-4m6m-fr64- Weakness
- CWE-125
- Updated
- 2026-11-02
OSVASB-A-172655291 No score
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-172655291- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/artAndroid |
8.1:0 up to 8.1:2021-03-01, plus listed versions 8.1 |
8.1:2021-03-01 |
platform/artAndroid |
9:0 up to 9:2021-03-01, plus listed versions 9 |
9:2021-03-01 |
platform/artAndroid |
10:0 up to 10:2021-03-01, plus listed versions 10 |
10:2021-03-01 |
platform/system/tools/hidlAndroid |
10:0 up to 10:2021-03-01, plus listed versions 10 |
10:2021-03-01 |
platform/artAndroid |
11:0 up to 11:2021-03-01, plus listed versions 11 |
11:2021-03-01 |
platform/frameworks/nativeAndroid |
11:0 up to 11:2021-03-01, plus listed versions 11 |
11:2021-03-01 |
platform/system/tools/hidlAndroid |
11:0 up to 11:2021-03-01, plus listed versions 11 |
11:2021-03-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Trinadh465/platform_art_CVE-2021-0394 | 2023-08-31 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-0394 is a medium vulnerability (CVSS 5.5) in Google Android, published March 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. Fixed in platform/art 8.1:2021-03-01.
References
source.android.com/security/bulletin/2021-03-01
nvd.nist.gov/vuln/detail/CVE-2021-0394
github.com/advisories/GHSA-35g8-4m6m-fr64
android.googlesource.com/platform/art/+/1358c9faa9766fd470ab2ba002a73479ccf54154
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