CVE-2021-25337

4.4 MEDIUM 3% exploit odds exploited in the wild Fix listed Auth & access OS & kernel

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine without logging in, but needs a user to act. Limited direct impact.
In the wild: CISA lists this as exploited in real attacks. Treat as urgent.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-01-19 00:00 UTC ReservedThe CVE id was reserved by its CNA
2021-03-04 21:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2022-11-08 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
2022-11-29 Remediation deadlineCISA's due date for federal agencies to fix it
2026-06-17 03:41 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
Exploit odds: 2.8% in the next 30 days (EPSS).
Severity: 4.4 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-03-04 21:15 UTC
Last modified: 2026-06-17 03:41 UTC
Added to CISA KEV: 2022-11-08
Exploit probability: 2.8% · EPSS, next 30 days
Weakness: CWE-269 · Improper privilege management
Record status: Analyzed

Affected

Samsung Android 9.0
Samsung Android 10.0
Samsung Android 11.0

Attack profile CVSS 3.1 · 4.4

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-25337.md and follow it. Check whether this project is affected by CVE-2021-25337. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record