CVE-2023-21459

Name: CVE-2023-21459
Creator: NVD / NIST
Published: 2023-03-16T21:15:12.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2023-21459 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Use after free vulnerability in decon driver prior to SMR Mar-2023 Release 1 allows attackers to cause memory access fault.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

Use after free vulnerability in decon driver prior to SMR Mar-2023 Release 1 allows attackers to cause memory access fault.

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

0.27%

18.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions	Update
Samsung	Android	11.0	Smr-Apr-2021-R1
Samsung	Android	12.0	Smr-Apr-2022-R1
Samsung	Android	13.0	Smr-Dec-2022-R1

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03Vendor Advisory

Timeline

Published: Mar 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21459?

Use after free vulnerability in decon driver prior to SMR Mar-2023 Release 1 allows attackers to cause memory access fault.

How severe is CVE-2023-21459?

CVE-2023-21459 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21459?

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-2023-21459?

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

Scan your code now

Source: NVD / NIST