CVE-2023-35671

Name: CVE-2023-35671
Creator: NVD / NIST
Published: 2023-09-11T21:15:42.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-35671 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.23%

13.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Google	Android	11.0
Google	Android	12.0
Google	Android	12.1
Google	Android	13.0

References

https://android.googlesource.com/platform/packages/apps/Nfc/+/745632835f3d97513a9c2a96e56e1dc06c4e4176Issue Tracking, Patch
https://source.android.com/security/bulletin/2023-09-01Vendor Advisory
https://android.googlesource.com/platform/packages/apps/Nfc/+/745632835f3d97513a9c2a96e56e1dc06c4e4176Issue Tracking, Patch
https://source.android.com/security/bulletin/2023-09-01Vendor Advisory

Timeline

Published: Sep 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-35671?

How severe is CVE-2023-35671?

CVE-2023-35671 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-35671?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-35671?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST