CVE-2023-35671
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general...
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
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 onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-35671- 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 - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-35671- Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2023-39671
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-39671- CVSS
- 0.0 None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r97g-mv85-crqf
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general...
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-r97g-mv85-crqf- 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 - Weakness
- CWE-269
- Updated
- 2026-11-02
OSVASB-A-268038643 No score
In onHostEmulationData of HostEmulationManager.java, there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-268038643- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/apps/NfcAndroid |
13-next:0 up to 13-next:2023-09-01, plus listed versions 13-next |
13-next:2023-09-01 |
platform/packages/apps/NfcAndroid |
11:0 up to 11:2023-09-01, plus listed versions 11 |
11:2023-09-01 |
platform/packages/apps/NfcAndroid |
12:0 up to 12:2023-09-01, plus listed versions 12 |
12:2023-09-01 |
platform/packages/apps/NfcAndroid |
12L:0 up to 12L:2023-09-01, plus listed versions 12L |
12L:2023-09-01 |
platform/packages/apps/NfcAndroid |
13:0 up to 13:2023-09-01, plus listed versions 13 |
13:2023-09-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | MrTiz/CVE-2023-35671 | 2023-09-01 |
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-2023-35671 is a medium vulnerability (CVSS 5.5) in Google Android, published September 1, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. Fixed in platform/packages/apps/Nfc 13-next:2023-09-01.