What is CVE-2023-42580?

CVE-2023-42580 is a high-severity vulnerability in Samsung Galaxy Store, classified under CWE-20: IMPROPER INPUT VALIDATION. CVSS score: 7.5/10. Published 2023-12-05.

How severe is CVE-2023-42580?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Samsung Galaxy Store

CVE-2023-42580

Improper URL validation from MCSLaunch deeplink in Galaxy Store prior to version 4.5.64.4 allows attackers to execute JavaScript API to install APK from Galaxy Store.

Published 2023-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Samsung Galaxy Store
Samsung Mobile Galaxy Store — versions 4.5.64.4

References

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

Frequently asked questions

What is CVE-2023-42580?: CVE-2023-42580 is a high-severity vulnerability in Samsung Galaxy Store, classified under CWE-20: IMPROPER INPUT VALIDATION. CVSS score: 7.5/10. Published 2023-12-05.
How severe is CVE-2023-42580?: High severity. CVSS v3 base score is 7.5 out of 10.