Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-25394

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.4, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from samsung organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-06-11T15:15:08.957

Last Modified

2025-10-30T15:36:32.877

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.4

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-416
Type: Primary
CWE-362
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	samsung	android	8.1	Yes
Operating System	samsung	android	9.0	Yes
Operating System	samsung	android	9.0	Yes
Operating System	samsung	android	9.0	Yes
Operating System	samsung	android	9.0	Yes
Operating System	samsung	android	10.0	Yes
Operating System	samsung	android	10.0	Yes
Operating System	samsung	android	10.0	Yes
Operating System	samsung	android	11.0	Yes
Operating System	samsung	android	11.0	Yes
Operating System	samsung	android	11.0	Yes
Operating System	samsung	android	11.0	Yes

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5 Vendor Advisory ([email protected])
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25394 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For samsung's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.