What is CVE-2023-30708?

CVE-2023-30708 is a medium-severity vulnerability in Samsung Android, classified under Improper Authentication. CVSS score: 4.6/10. Published 2023-09-06.

How severe is CVE-2023-30708?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Auth bypass in Samsung Android

CVE-2023-30708

Improper authentication in SecSettings prior to SMR Sep-2023 Release 1 allows attacker to access Captive Portal Wi-Fi in Reactivation Lock status.

Vulnerability class: Broken Authentication

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

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

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

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2023-30708?: CVE-2023-30708 is a medium-severity vulnerability in Samsung Android, classified under Improper Authentication. CVSS score: 4.6/10. Published 2023-09-06.
How severe is CVE-2023-30708?: Medium severity. CVSS v3 base score is 4.6 out of 10.