Details of VAR-202111-1088

ID

VAR-202111-1088

CVE

CVE-2020-8741

TITLE

Intel(R) Thunderbolt(TM) non-DCH Improper default permissions vulnerability in driver

Trust: 0.8

sources: JVNDB: JVNDB-2021-015268

DESCRIPTION

Improper permissions in the installer for the Intel(R) Thunderbolt(TM) non-DCH driver, all versions, for Windows may allow an authenticated user to potentially enable escalation of privilege via local access. Intel(R) Thunderbolt(TM) non-DCH Driver contains improper default permissions vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2020-8741 // JVNDB: JVNDB-2021-015268 // VULHUB: VHN-186866

AFFECTED PRODUCTS

vendor:	intel	model:	thunderbolt non-dch driver	scope:	eq	version:	*	Trust: 1.0
vendor:	インテル	model:	intel thunderbolt non-dch driver	scope:	eq	version:	-	Trust: 0.8
vendor:	インテル	model:	intel thunderbolt non-dch driver	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-015268 // NVD: CVE-2020-8741

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-8741
value:	HIGH
Trust: 1.0
NVD:	CVE-2020-8741
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202111-938
value:	HIGH
Trust: 0.6
VULHUB:	VHN-186866
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-8741
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.9
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
VULHUB:	VHN-186866
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.9
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2020-8741
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2020-8741
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-186866 // JVNDB: JVNDB-2021-015268 // CNNVD: CNNVD-202111-938 // NVD: CVE-2020-8741

PROBLEMTYPE DATA

problemtype:	CWE-276	Trust: 1.1
problemtype:	Inappropriate default permissions (CWE-276) [NVD evaluation ]	Trust: 0.8

sources: VULHUB: VHN-186866 // JVNDB: JVNDB-2021-015268 // NVD: CVE-2020-8741

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202111-938

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202111-938

PATCH

title:	INTEL-SA-00393	url:	https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00393.html	Trust: 0.8
title:	Intel Thunderbolt DCH drivers Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=170642	Trust: 0.6

sources: JVNDB: JVNDB-2021-015268 // CNNVD: CNNVD-202111-938

EXTERNAL IDS

db:	NVD	id:	CVE-2020-8741	Trust: 3.3
db:	JVN	id:	JVNVU91196719	Trust: 0.8
db:	JVNDB	id:	JVNDB-2021-015268	Trust: 0.8
db:	AUSCERT	id:	ESB-2021.3741	Trust: 0.6
db:	LENOVO	id:	LEN-60186	Trust: 0.6
db:	CNNVD	id:	CNNVD-202111-938	Trust: 0.6
db:	VULHUB	id:	VHN-186866	Trust: 0.1

sources: VULHUB: VHN-186866 // JVNDB: JVNDB-2021-015268 // CNNVD: CNNVD-202111-938 // NVD: CVE-2020-8741

REFERENCES

url:	https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00393.html	Trust: 1.7
url:	https://jvn.jp/vu/jvnvu91196719/	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2020-8741	Trust: 0.8
url:	https://support.lenovo.com/us/en/product_security/len-60186	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2021.3741	Trust: 0.6

sources: VULHUB: VHN-186866 // JVNDB: JVNDB-2021-015268 // CNNVD: CNNVD-202111-938 // NVD: CVE-2020-8741

SOURCES

db:	VULHUB	id:	VHN-186866
db:	JVNDB	id:	JVNDB-2021-015268
db:	CNNVD	id:	CNNVD-202111-938
db:	NVD	id:	CVE-2020-8741

LAST UPDATE DATE

2024-08-14T12:57:53.588000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-186866	date:	2021-11-19T00:00:00
db:	JVNDB	id:	JVNDB-2021-015268	date:	2022-11-15T02:02:00
db:	CNNVD	id:	CNNVD-202111-938	date:	2021-11-23T00:00:00
db:	NVD	id:	CVE-2020-8741	date:	2021-11-19T19:04:02.490

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-186866	date:	2021-11-17T00:00:00
db:	JVNDB	id:	JVNDB-2021-015268	date:	2022-11-15T00:00:00
db:	CNNVD	id:	CNNVD-202111-938	date:	2021-11-10T00:00:00
db:	NVD	id:	CVE-2020-8741	date:	2021-11-17T20:15:08.450