CVE-2021-25507
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows...
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with user device to access part of notification data in Secure Folder without authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- 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
CVE List Score used
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with user device to access part of notification data in Secure Folder without authorization.
- Record
CVE-2021-25507- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2021-12403
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with user device to access part of notification data in Secure Folder without authorization.
- Record
EUVD-2021-12403- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-58m9-xprw-8c77
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows...
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with user device to access part of notification data in Secure Folder without authorization.
- Record
GHSA-58m9-xprw-8c77- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with user device to access part of notification data in Secure Folder without authorization.
- Record
CVE-2021-25507- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.7 Low
AV:A/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-285
- 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-2021-25507 is a medium vulnerability (CVSS 5.7) in Samsung Flow, published November 5, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.