CVE-2021-25466
Improper scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows...
Improper scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows attackers to perform Man-in-the-middle attack and obtain Samsung Account token.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- 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 scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows attackers to perform Man-in-the-middle attack and obtain Samsung Account token.
- Record
CVE-2021-25466- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2021-12362
Improper scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows attackers to perform Man-in-the-middle attack and obtain Samsung Account token.
- Record
EUVD-2021-12362- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwr5-xvv8-wh2p No score
Improper scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows...
Improper scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows attackers to perform Man-in-the-middle attack and obtain Samsung Account token.
- Record
GHSA-hwr5-xvv8-wh2p- Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
Improper scheme check vulnerability in Samsung Internet prior to version 15.0.2.47 allows attackers to perform Man-in-the-middle attack and obtain Samsung Account token.
- Record
CVE-2021-25466- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-287
- 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-2021-25466 is a medium vulnerability (CVSS 6.5) in Samsung Internet, published September 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. No source names a fixed version.