Overview
Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5; https://nvd.nist.gov/vuln/detail/CVE-2021-25394
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2021-25394 |
| Vendor / Product | Samsung — Mobile Devices |
| NVD Published | 2021-06-11 |
| NVD Last Modified | 2025-10-30 |
| CVSS 3.1 Score | 6.4 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Severity | MEDIUM |
| CWE | CWE-416 |
| CISA KEV Added | 2023-06-29 |
| CISA KEV Deadline | 2023-07-20 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2023-07-20.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Timeline
| Date | Event |
|---|---|
| 2023-06-29 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-07-20 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2021-25394 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |