What is CVE-2023-30640?

CVE-2023-30640 is a medium-severity vulnerability in Samsung Android, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 4.3/10. Published 2023-07-06.

How severe is CVE-2023-30640?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Samsung Android

CVE-2023-30640

Improper access control vulnerability in PersonaManagerService prior to SMR Jul-2023 Release 1 allows local attackers to change confiugration.

Published 2023-07-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions SMR Jul-2023 Release 1

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2023-30640?: CVE-2023-30640 is a medium-severity vulnerability in Samsung Android, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 4.3/10. Published 2023-07-06.
How severe is CVE-2023-30640?: Medium severity. CVSS v3 base score is 4.3 out of 10.