Internet
CVE-2021-25466
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
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. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Samsung Internet. Version information: version 15.0.2.47.
Know when Internet gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
Improper validation vulnerability in Samsung Internet prior to version 24.0.3.2 allows local attackers to execute arbitr
Improper component protection vulnerability in Samsung Internet prior to version 14.0.1.62 allows untrusted applications
Intent redirection vulnerability in Samsung Internet prior to version 14.0.1.20 allows attacker to execute privileged ac
Improper configuration in Samsung Internet prior to version 21.0.0.41 allows attacker to bypass SameSite Cookie. Rated m
Non-compliance of recommended secure coding scheme in Samsung Internet prior to version 14.0.1.62 allows attackers to di
Insecure caller check and input validation vulnerabilities in SearchKeyword deeplink logic prior to Samsung Internet 16.
A security vulnerability in Samsung Internet (CVSS 5.5) that allows local attackers. Remediation should follow standard
Use of implicit intent for sensitive communication in translation혻in Samsung Internet prior to version 26.0.3.1 allows l
Improper privilege management vulnerability in Samsung Internet prior to version 25.0.0.41 allows local attackers to byp
Improper handling of granting permission for Trusted Web Activities in Samsung Internet prior to version 24.0.0.41 allow
Missing proper interaction for opening deeplink in Samsung Internet prior to version v24.0.0.0 allows remote attackers t
Unprotected component vulnerability in Samsung Internet prior to version 14.2 allows untrusted application to access int
GitHub PoC
Exploit-DB