CVE-2021-25372

Name: CVE-2021-25372
Creator: NVD / NIST
Published: 2021-03-26T19:15:12.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10Actively ExploitedEPSS 0.85%

Last modified Jun 17, 2026

CVE-2021-25372 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.. CISA has confirmed active exploitation in the wild. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.85%

53.5th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jul 20, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Samsung	Android	10.0	Smr-Feb-2021-R1
Samsung	Android	11.0	Smr-Feb-2021-R1

References

https://security.samsungmobile.comVendor Advisory
https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
https://security.samsungmobile.comVendor Advisory
https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25372US Government Resource

Timeline

Published: Mar 26, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-25372?

An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.

How severe is CVE-2021-25372?

CVE-2021-25372 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2021-25372?

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-2021-25372?

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

Scan your code now

Source: NVD / NIST