CVE-2021-20733

Improper authorization in handler for custom URL scheme vulnerability in ????????? (asken diet) for Android versions from v.3.0.0 to v.4.2.x allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

CVSS v3 6.1 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://jvn.jp/en/jp/JVN38034268/index.html	Third Party Advisory
https://www.asken.jp/s/login/?to=/information	Permissions Required Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:asken:asken:*:*:*:*:*:android:*:*

History

No history.

Information

Published : 2021-06-22 02:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-20733

Mitre link : CVE-2021-20733

CVE.ORG link : CVE-2021-20733

JSON object : View

Products Affected

asken

asken

CWE

CWE-862

Missing Authorization

{"id": "CVE-2021-20733", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2021-06-22T02:15:07.133", "references": [{"url": "https://jvn.jp/en/jp/JVN38034268/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.asken.jp/s/login/?to=/information", "tags": ["Permissions Required", "Vendor Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Improper authorization in handler for custom URL scheme vulnerability in \u3042\u3059\u3051\u3093\u30c0\u30a4\u30a8\u30c3\u30c8 (asken diet) for Android versions from v.3.0.0 to v.4.2.x allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App."}, {"lang": "es", "value": "La autorizaci\u00f3n inadecuada en el manejador para la vulnerabilidad del esquema de la URL personalizada en ????????? (asken diet) para las versiones de Android desde la v.3.0.0 hasta la v.4.2.x permite a un atacante remoto llevar a un usuario a acceder a un sitio web arbitrario a trav\u00e9s de la aplicaci\u00f3n vulnerable"}], "lastModified": "2023-11-07T03:29:13.863", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:asken:asken:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "531EEF09-4540-4665-B15A-4AEAEF39DF4D", "versionEndExcluding": "4.3.0", "versionStartIncluding": "3.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}