CVE-2023-21505

Name: CVE-2023-21505
Creator: NVD / NIST
Published: 2023-05-04T21:15:10.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2023-21505 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. Improper access control in Samsung Core Service prior to version 2.1.00.36 allows attacker to write arbitrary file in sandbox.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

Improper access control in Samsung Core Service prior to version 2.1.00.36 allows attacker to write arbitrary file in sandbox.

Metrics

CVSS 3.1

8.6/10

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

EPSS Probability

0.30%

22.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Samsung	Samsung Core Services	< 2.1.00.36

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05Vendor Advisory

Timeline

Published: May 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21505?

Improper access control in Samsung Core Service prior to version 2.1.00.36 allows attacker to write arbitrary file in sandbox.

How severe is CVE-2023-21505?

CVE-2023-21505 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21505?

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-2023-21505?

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

Scan your code now

Source: NVD / NIST