CVE-2021-25466 - Vulnerability Details - OpenCVE

Description

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.

Published: 2021-09-09

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Samsung Mobile

Samsung Internet

affected

Version	Status	Constraints
`-`	affected	< 15.0.2.47

Configuration 1 [-]

cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-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.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00765.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9

History

No history.

Subscriptions

Samsung Internet

MITRE

Status: PUBLISHED

Assigner: Samsung Mobile

Published: 2021-09-09T18:05:33.000Z

Updated: 2024-08-03T20:03:05.638Z

Reserved: 2021-01-19T00:00:00.000Z

Link: CVE-2021-25466

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-09T19:15:11.577

Modified: 2026-06-17T03:42:08.217

Link: CVE-2021-25466

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287
Improper Authentication

{"containers": {"cna": {"affected": [{"product": "Samsung Internet", "vendor": "Samsung Mobile", "versions": [{"lessThan": "15.0.2.47", "status": "affected", "version": "-", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "CWE-287: Improper Authentication", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-09T18:05:33.000Z", "orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "Samsung Mobile"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9"}], "source": {"discovery": "UNKNOWN"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "mobile.security@samsung.com", "ID": "CVE-2021-25466", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Samsung Internet", "version": {"version_data": [{"version_affected": "<", "version_name": "-", "version_value": "15.0.2.47"}]}}]}, "vendor_name": "Samsung Mobile"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-287: Improper Authentication"}]}]}, "references": {"reference_data": [{"name": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9", "refsource": "MISC", "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:03:05.638Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9"}]}]}, "cveMetadata": {"assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "assignerShortName": "Samsung Mobile", "cveId": "CVE-2021-25466", "datePublished": "2021-09-09T18:05:33.000Z", "dateReserved": "2021-01-19T00:00:00.000Z", "dateUpdated": "2024-08-03T20:03:05.638Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Samsung Internet", "vendor": "Samsung Mobile", "versions": [{"lessThan": "15.0.2.47", "status": "affected", "version": "-", "versionType": "custom"}]}], "source": "mobile.security@samsung.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:*", "matchCriteriaId": "82E5D6DE-9812-4A85-87BE-219395967FA5", "versionEndExcluding": "15.0.2.47", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una vulnerabilidad de comprobaci\u00f3n de esquema inapropiada en Samsung Internet versiones anteriores a 15.0.2.47, permite a atacantes llevar a cabo un ataque de tipo Man-in-the-middle y obtener el token de la cuenta Samsung"}], "id": "CVE-2021-25466", "lastModified": "2026-06-17T03:42:08.217", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "mobile.security@samsung.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-09T19:15:11.577", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=9"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "mobile.security@samsung.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}