CVE-2023-42580

Name: CVE-2023-42580
Creator: NVD / NIST
Published: 2023-12-05T03:15:19.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2023-42580 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.97%

57.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Samsung	Galaxy Store	< 4.5.64.4

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=12Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=12Vendor Advisory

Timeline

Published: Dec 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2023-42580?

CVE-2023-42580 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42580?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42580?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST