Is CVE-2021-25394 actively exploited?

CVE-2021-25394 has no public evidence of in-the-wild exploitation as of 2025-10-30.

What is the CVSS score for CVE-2021-25394?

CVE-2021-25394 has a CVSS score of 6.4 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-25394?

Patch guidance is available from samsung security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-25394.

CVE-2021-25394 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-25394?

12 products: samsung android, samsung android, samsung android, samsung android, samsung android, and 7 more.

Description

A use after free vulnerability via race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows arbitrary write given a radio privilege is compromised.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: high
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-416 · Use After Free CWE-362 · Race Condition CWE-416 · Use After Free

Metadata

Primary Vendor: SAMSUNG
Published: 6/11/2021
Last Modified: 10/30/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

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Remediation Guidance

Executive Summary

View on NIST NVD