CVE-2021-0538

In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491

CVSS v3 7.3 HIGH
CVSS v2.0 4.4 MEDIUM

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.3 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://source.android.com/security/bulletin/pixel/2021-06-01	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-06-22 12:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-0538

Mitre link : CVE-2021-0538

CVE.ORG link : CVE-2021-0538

JSON object : View

Products Affected

google

android

CWE

CWE-1021

Improper Restriction of Rendered UI Layers or Frames

{"id": "CVE-2021-0538", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/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": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.3}]}, "published": "2021-06-22T12:15:09.200", "references": [{"url": "https://source.android.com/security/bulletin/pixel/2021-06-01", "tags": ["Vendor Advisory"], "source": "security@android.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1021"}]}], "descriptions": [{"lang": "en", "value": "In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491"}, {"lang": "es", "value": "En la funci\u00f3n onCreate del archivo EmergencyCallbackModeExitDialog.java, se presenta una posible salida del modo de devoluci\u00f3n de llamada de emergencia debido a un ataque de tapjacking y overlay. Esto podr\u00eda conllevar a una escalada de privilegios local con privilegios de ejecuci\u00f3n User necesarios. Es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-11, ID de Android: A-178821491"}], "lastModified": "2021-06-24T16:52:16.097", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}