CVE-2021-25337 on CISA KEV

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.

01What CISA says about this vulnerability

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.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• security.samsungmobile.com — https://security.samsungmobile.com/securityUpdate.smsb
• security.samsungmobile.com — https://security.samsungmobile.com

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Samsung Mobile	Samsung Mobile Devices	Selected P(9.0), Q(10.0), R(11.0)

06Detection

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