CVE DATABASE / CVE-2021-25337
CVE-2021-25337
Samsung Mobile Devices Improper Access Control Vulnerability
CVSS 4.4 · MEDIUM
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-11-08.
Federal remediation due 2022-11-29.
Required action: Apply updates per vendor instructions.
Summary
Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.
CVSS 3.1 breakdown
| Base score | 4.4 (MEDIUM) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity | LOW |
| Availability | NONE |
Weakness type (CWE)
Affected products
Samsung android
Check this CVE live
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References
- https://security.samsungmobile.com
- https://security.samsungmobile.com/securityUpdate.smsb
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25337
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-30. Always verify against the vendor advisory before acting.