CVE-2021-0543
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due...
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258743
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258743
- Record
CVE-2021-0543- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-190, CWE-787
- Updated
- 2026-11-02
CVE List No score
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258743
- Record
CVE-2021-0543- Updated
- 2026-11-02
EUVDEUVD-2021-3162 No score
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258743
- Record
EUVD-2021-3162- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h26f-qpmr-2r4r No score
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due...
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258743
- Record
GHSA-h26f-qpmr-2r4r- Weakness
- CWE-787
- Updated
- 2026-11-02
OSVPUB-A-169258743 No score
In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-169258743- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/hardware/nxp/nfcAndroid |
11:0 up to 11:2021-06-01, plus listed versions 11 |
11:2021-06-01 |
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-2021-0543 is a medium vulnerability (CVSS 6.7) in Google Android, published June 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in platform/hardware/nxp/nfc 11:2021-06-01.