CVE-2021-0688

In lockNow of PhoneWindowManager.java, there is a possible lock screen bypass due to a race condition. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-161149543

CVSS v3 7.0 HIGH
CVSS v2.0 4.4 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

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/2021-09-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/2021-09-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:8.1:::::::*
	cpe:2.3:o:google:android:9.0:::::::*
	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

History

21 Nov 2024, 05:43

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2021-09-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2021-09-01 - Patch, Vendor Advisory

08 Oct 2021, 03:32

Type	Values Removed	Values Added
References	~~(MISC) https://source.android.com/security/bulletin/2021-09-01 -~~	(MISC) https://source.android.com/security/bulletin/2021-09-01 - Patch, Vendor Advisory
CPE		cpe:2.3:o:google:android:8.1:::::::* cpe:2.3:o:google:android:10.0:::::::* cpe:2.3:o:google:android:9.0:::::::* cpe:2.3:o:google:android:11.0:::::::*
CWE		CWE-362
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.4 v3 : 7.0

06 Oct 2021, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-06 15:15

Updated : 2024-11-21 05:43

NVD link : CVE-2021-0688

Mitre link : CVE-2021-0688

CVE.ORG link : CVE-2021-0688

JSON object : View

Products Affected

google

android

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

{"id": "CVE-2021-0688", "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": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2021-10-06T15:15:14.950", "references": [{"url": "https://source.android.com/security/bulletin/2021-09-01", "tags": ["Patch", "Vendor Advisory"], "source": "security@android.com"}, {"url": "https://source.android.com/security/bulletin/2021-09-01", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "In lockNow of PhoneWindowManager.java, there is a possible lock screen bypass due to a race condition. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-161149543"}, {"lang": "es", "value": "En la funci\u00f3n lockNow del archivo PhoneWindowManager.java, se presenta una posible omisi\u00f3n de la pantalla de bloqueo debido a una condici\u00f3n de carrera. Esto podr\u00eda conllevar a una escalada local de privilegios, con los privilegios de ejecuci\u00f3n User necesarios. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-10 Android-11 Android-8.1 Android-9, ID de Android: A-161149543"}], "lastModified": "2024-11-21T05:43:09.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2"}, {"criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854"}, {"criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"}, {"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}