What is CVE-2023-35671?

CVE-2023-35671 is a medium-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2023-09-11.

How severe is CVE-2023-35671?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-35671 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Google Android

CVE-2023-35671

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.

Vulnerability class: Privilege Escalation

EPSS: 0.002 (14.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 12, 11.0, 11

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

References

security@android.com (Patch, Issue Tracking)
security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-35671?: CVE-2023-35671 is a medium-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2023-09-11.
How severe is CVE-2023-35671?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-35671 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.