What is CVE-2023-42540?

CVE-2023-42540 is a medium-severity vulnerability in Samsung Account, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-11-07.

How severe is CVE-2023-42540?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Samsung Account

CVE-2023-42540

Improper access control vulnerability in Samsung Account prior to version 14.5.01.1 allows attackers to access sensitive information via implicit intent.

Published 2023-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.4th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.4% 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 Account
Samsung Mobile Account — versions 14.5.01.1

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2023-42540?: CVE-2023-42540 is a medium-severity vulnerability in Samsung Account, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-11-07.
How severe is CVE-2023-42540?: Medium severity. CVSS v3 base score is 4.0 out of 10.