CVE-2021-39771

In Settings, there is a possible way to misrepresent which app wants to add a wifi network due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-198661951

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://source.android.com/security/bulletin/android-12l	Vendor Advisory
https://source.android.com/security/bulletin/android-12l	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*

History

21 Nov 2024, 06:20

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/android-12l - Vendor Advisory~~	() https://source.android.com/security/bulletin/android-12l - Vendor Advisory

Information

Published : 2022-03-30 16:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39771

Mitre link : CVE-2021-39771

CVE.ORG link : CVE-2021-39771

JSON object : View

Products Affected

google

android

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2021-39771", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2022-03-30T16:15:10.333", "references": [{"url": "https://source.android.com/security/bulletin/android-12l", "tags": ["Vendor Advisory"], "source": "security@android.com"}, {"url": "https://source.android.com/security/bulletin/android-12l", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "In Settings, there is a possible way to misrepresent which app wants to add a wifi network due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-198661951"}, {"lang": "es", "value": "En Settings, se presenta una posible forma de tergiversar qu\u00e9 aplicaci\u00f3n quiere a\u00f1adir una red wifi debido a una comprobaci\u00f3n de entrada inapropiada. Esto podr\u00eda conllevar a una escalada de privilegios local sin ser necesarios privilegios de ejecuci\u00f3n adicionales. Es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-12L, ID de Android: A-198661951"}], "lastModified": "2024-11-21T06:20:11.900", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C64C1583-CDE0-4C1F-BDE6-05643C1BDD72"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}