CVE-2021-27942

Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.

CVSS v3 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-drive	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:vizio:p65-f1_firmware:6.0.31.4-2:*:*:*:*:*:*:*

cpe:2.3:h:vizio:p65-f1:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:vizio:e50x-e1_firmware:10.0.31.4-2:*:*:*:*:*:*:*

cpe:2.3:h:vizio:e50x-e1:-:*:*:*:*:*:*:*

History

11 Aug 2021, 13:10

Type	Values Removed	Values Added
References	~~(MISC) https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-drive -~~	(MISC) https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-drive - Exploit, Third Party Advisory
CPE		cpe:2.3:o:vizio:e50x-e1_firmware:10.0.31.4-2:::::::* cpe:2.3:h:vizio:e50x-e1:-:::::::* cpe:2.3:o:vizio:p65-f1_firmware:6.0.31.4-2:::::::* cpe:2.3:h:vizio:p65-f1:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 6.8
CWE		NVD-CWE-noinfo

03 Aug 2021, 19:07

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-03 18:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-27942

Mitre link : CVE-2021-27942

CVE.ORG link : CVE-2021-27942

JSON object : View

Products Affected

vizio

e50x-e1_firmware
e50x-e1
p65-f1_firmware
p65-f1

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-27942", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}]}, "published": "2021-08-03T18:15:08.347", "references": [{"url": "https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-drive", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed."}, {"lang": "es", "value": "Los Smart TV Vizio P65-F1 6.0.31.4-2 y E50x-E1 versi\u00f3n 10.0.31.4-2, permiten a un actor de la amenaza ejecutar c\u00f3digo arbitrario desde una unidad USB por medio de la funcionalidad Smart Cast, porque los archivos de la unidad USB est\u00e1n efectivamente bajo la root de la web y pueden ser ejecutados"}], "lastModified": "2021-08-11T13:10:37.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:vizio:p65-f1_firmware:6.0.31.4-2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BE1EFFD1-2557-4F86-A04D-D322D7711FFB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:vizio:p65-f1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9DD75416-C8EB-4B15-8DBF-458EC2D5C64E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:vizio:e50x-e1_firmware:10.0.31.4-2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BEA4A5CB-3F52-4154-8B07-392B9F3753AB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:vizio:e50x-e1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CA515A08-EBBC-479E-BFB7-D521858653CE"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}