CVE DATABASE / CVE-2021-25394
CVE-2021-25394
Samsung Mobile Devices Race Condition Vulnerability
CVSS 6.4 · MEDIUM
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2023-06-29.
Federal remediation due 2023-07-20.
Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Summary
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 3.1 breakdown
| Base score | 6.4 (MEDIUM) |
| Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Samsung android
Check this CVE live
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References
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25394
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-30. Always verify against the vendor advisory before acting.