CVE-2021-0473
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data....
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data. This could lead to remote code execution over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-179687208
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data. This could lead to remote code execution over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-179687208
- Record
CVE-2021-0473- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 8.3 High
AV:A/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-908
- Updated
- 2026-11-02
CVE List No score
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data. This could lead to remote code execution over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-179687208
- Record
CVE-2021-0473- Updated
- 2026-11-02
EUVDEUVD-2021-3092 No score
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data. This could lead to remote code execution over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-179687208
- Record
EUVD-2021-3092- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwp9-gmcw-f7c2
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data....
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data. This could lead to remote code execution over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-179687208
- Record
GHSA-hwp9-gmcw-f7c2- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
OSVASB-A-179687208 No score
In rw_t3t_process_error of rw_t3t.cc, there is a possible double free due to uninitialized data. This could lead to remote code execution over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-179687208- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/system/nfcAndroid |
8.1:0 up to 8.1:2021-05-01, plus listed versions 8.1 |
8.1:2021-05-01 |
platform/system/nfcAndroid |
9:0 up to 9:2021-05-01, plus listed versions 9 |
9:2021-05-01 |
platform/system/nfcAndroid |
10:0 up to 10:2021-05-01, plus listed versions 10 |
10:2021-05-01 |
platform/system/nfcAndroid |
11:0 up to 11:2021-05-01, plus listed versions 11 |
11:2021-05-01 |
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.
In short
CVE-2021-0473 is a high vulnerability (CVSS 8.8) in Google Android, published May 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in platform/system/nfc 8.1:2021-05-01.