CVE-2021-25405
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4...
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4.2.04.27 allows untrusted applications to access local files.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4.2.04.27 allows untrusted applications to access local files.
- Record
CVE-2021-25405- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4.2.04.27 allows untrusted applications to access local files.
- Record
CVE-2021-25405- Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-12301 No score
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4.2.04.27 allows untrusted applications to access local files.
- Record
EUVD-2021-12301- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q5j2-4886-wvhf
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4...
An improper access control vulnerability in ScreenOffActivity in Samsung Notes prior to version 4.2.04.27 allows untrusted applications to access local files.
- Record
GHSA-q5j2-4886-wvhf- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25405 is a medium vulnerability (CVSS 5.5) in Samsung Notes, published June 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.