What is CVE-2023-30709?

CVE-2023-30709 is a high-severity vulnerability in Samsung Android, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 7.9/10. Published 2023-09-06.

How severe is CVE-2023-30709?

High severity. CVSS v3 base score is 7.9 out of 10.

Vulnerability in Samsung Android

CVE-2023-30709

Improper access control in Dual Messenger prior to SMR Sep-2023 Release 1 allows local attackers launch activity with system privilege.

Published 2023-09-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions SMR Sep-2023 Release in Android 11, 12, 13

References

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

Frequently asked questions

What is CVE-2023-30709?: CVE-2023-30709 is a high-severity vulnerability in Samsung Android, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 7.9/10. Published 2023-09-06.
How severe is CVE-2023-30709?: High severity. CVSS v3 base score is 7.9 out of 10.