Details of VAR-202107-1170

ID

VAR-202107-1170

CVE

CVE-2021-33771

TITLE

plural Microsoft Windows Elevated authority vulnerabilities in products

Trust: 0.8

sources: JVNDB: JVNDB-2021-002057

DESCRIPTION

Windows Kernel Elevation of Privilege Vulnerability. This vulnerability is CVE-2021-31979 and CVE-2021-34514 Is a different vulnerability.You may be elevated. Microsoft Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核. microsoft Windows Kernel 存在缓冲区错误漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for ARM64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core installation),Windows 10 Version 1909 for 32-bit Systems,Windows 10 Version 1909 for x64-based Systems,Windows 10 Version 1909 for ARM64-based Systems,Windows 10 Version 21H1 for x64-based Systems,Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows 10 Version 2004 for 32-bit Systems,Windows 10 Version 2004 for ARM64-based Systems,Windows 10 Version 2004 for x64-based Systems,Windows Server, version 2004 (Server Core installation),Windows 10 Version 20H2 for x64-based Systems,Windows 10 Version 20H2 for 32-bit Systems,Windows 10 Version 20H2 for ARM64-based Systems,Windows Server, version 20H2 (Server Core Installation),Windows 10 for 32-bit Systems,Windows 10 for x64-based Systems,Windows 10 Version 1607 for 32-bit Systems,Windows 10 Version 1607 for x64-based Systems,Windows Server 2016,Windows Server 2016 (Server Core installation),Windows 8.1 for 32-bit systems,Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 8.1 for x64-based systems,Windows RT 8.1,Windows Server 2012 R2,Windows Server 2012 R2 (Server Core installation). Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements

Trust: 2.79

sources: NVD: CVE-2021-33771 // JVNDB: JVNDB-2021-002057 // CNNVD: CNNVD-202107-806 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-33771

AFFECTED PRODUCTS

vendor:	microsoft	model:	windows 10 1809	scope:	lt	version:	10.0.17763.2061	Trust: 1.0
vendor:	microsoft	model:	windows rt 8.1	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows 8.1	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows 10 1909	scope:	lt	version:	10.0.18363.1679	Trust: 1.0
vendor:	microsoft	model:	windows 10 21h1	scope:	lt	version:	10.0.19043.1110	Trust: 1.0
vendor:	microsoft	model:	windows 10 1507	scope:	lt	version:	10.0.10240.19003	Trust: 1.0
vendor:	microsoft	model:	windows server 2019	scope:	lt	version:	10.0.17763.2061	Trust: 1.0
vendor:	microsoft	model:	windows 10 20h2	scope:	lt	version:	10.0.19042.1110	Trust: 1.0
vendor:	microsoft	model:	windows server 2012	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows server 2008	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows server 2016	scope:	lt	version:	10.0.14393.4530	Trust: 1.0
vendor:	microsoft	model:	windows server 2004	scope:	lt	version:	10.0.19041.1110	Trust: 1.0
vendor:	microsoft	model:	windows 10 2004	scope:	lt	version:	10.0.19041.1110	Trust: 1.0
vendor:	microsoft	model:	windows 10 1607	scope:	lt	version:	10.0.14393.4530	Trust: 1.0
vendor:	microsoft	model:	windows server 20h2	scope:	lt	version:	10.0.19042.1110	Trust: 1.0
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2012 r2 (server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2019 (server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server 2019	scope:	eq	version:	(server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows 8.1	scope:	-	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server 2012	scope:	-	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	20h2 (server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server 2016	scope:	-	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2004 (server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows rt 8.1	scope:	-	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2016	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server 2019	scope:	eq	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2012 r2	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows 10	scope:	-	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2016 (server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2019	Trust: 0.8

sources: JVNDB: JVNDB-2021-002057 // NVD: CVE-2021-33771

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2021-33771
value:	HIGH
Trust: 1.8
secure@microsoft.com:	CVE-2021-33771
value:	HIGH
Trust: 1.0
CNNVD:	CNNVD-202107-806
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202104-975
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2021-33771
value:	HIGH
Trust: 0.1

NVD:
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	FALSE
obtainAllPrivilege:	FALSE
obtainUserPrivilege:	FALSE
obtainOtherPrivilege:	FALSE
userInteractionRequired:	FALSE
version:	2.0
Trust: 1.0
NVD:	CVE-2021-33771
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.9

NVD:
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: 2.0
NVD:	CVE-2021-33771
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: VULMON: CVE-2021-33771 // JVNDB: JVNDB-2021-002057 // CNNVD: CNNVD-202107-806 // CNNVD: CNNVD-202104-975 // NVD: CVE-2021-33771 // NVD: CVE-2021-33771

PROBLEMTYPE DATA

problemtype:	CWE-119	Trust: 1.0
problemtype:	Improper authority management (CWE-269) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-002057 // NVD: CVE-2021-33771

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202107-806

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202107-806

CONFIGURATIONS

sources: NVD: CVE-2021-33771

PATCH

title:	Windows Kernel Elevation of Privilege Vulnerability Security Update Guide	url:	https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2021-33771	Trust: 0.8
title:	Microsoft Windows Kernel Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=156499	Trust: 0.6
title:	https://github.com/RENANZG/My-Forensics	url:	https://github.com/renanzg/my-forensics	Trust: 0.1
title:	Known Exploited Vulnerabilities Detector	url:	https://github.com/ostorlab/kev	Trust: 0.1
title:	Threatpost	url:	https://threatpost.com/catalangate-spyware/179336/	Trust: 0.1
title:	Threatpost	url:	https://threatpost.com/windows-zero-days-israeli-spyware-dissidents/167865/	Trust: 0.1
title:	The Register	url:	https://www.theregister.co.uk/2021/07/16/microsoft_candiru_malware/	Trust: 0.1
title:	-	url:	https://www.welivesecurity.com/2021/07/14/microsoft-patch-tuesday-july/	Trust: 0.1
title:	Threatpost	url:	https://threatpost.com/microsoft-crushes-116-bugs/167764/	Trust: 0.1

sources: VULMON: CVE-2021-33771 // JVNDB: JVNDB-2021-002057 // CNNVD: CNNVD-202107-806

EXTERNAL IDS

db:	NVD	id:	CVE-2021-33771	Trust: 2.5
db:	JVNDB	id:	JVNDB-2021-002057	Trust: 0.8
db:	CS-HELP	id:	SB2021071322	Trust: 0.6
db:	CNNVD	id:	CNNVD-202107-806	Trust: 0.6
db:	CS-HELP	id:	SB2021041363	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-975	Trust: 0.6
db:	VULMON	id:	CVE-2021-33771	Trust: 0.1

sources: VULMON: CVE-2021-33771 // JVNDB: JVNDB-2021-002057 // CNNVD: CNNVD-202107-806 // CNNVD: CNNVD-202104-975 // NVD: CVE-2021-33771

REFERENCES

url:	https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2021-33771	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-33771	Trust: 0.8
url:	https://www.ipa.go.jp/security/ciadr/vul/20210714-ms.html	Trust: 0.8
url:	https://www.jpcert.or.jp/at/2021/at210031.html	Trust: 0.8
url:	https://vigilance.fr/vulnerability/windows-vulnerabilities-of-july-2021-35887	Trust: 0.6
url:	https://msrc.microsoft.com/update-guide/vulnerability/cve-2021-33771	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2021071322	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2021041363	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/119.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://github.com/renanzg/my-forensics	Trust: 0.1
url:	https://threatpost.com/windows-zero-days-israeli-spyware-dissidents/167865/	Trust: 0.1

sources: VULMON: CVE-2021-33771 // JVNDB: JVNDB-2021-002057 // CNNVD: CNNVD-202107-806 // CNNVD: CNNVD-202104-975 // NVD: CVE-2021-33771

CREDITS

Microsoft Threat Intelligence Center (MSTIC)<br> Microsoft Security Response Center (MSRC)

Trust: 0.6

sources: CNNVD: CNNVD-202107-806

SOURCES

db:	VULMON	id:	CVE-2021-33771
db:	JVNDB	id:	JVNDB-2021-002057
db:	CNNVD	id:	CNNVD-202107-806
db:	CNNVD	id:	CNNVD-202104-975
db:	NVD	id:	CVE-2021-33771

LAST UPDATE DATE

2024-07-28T22:50:38.812000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-33771	date:	2023-12-28T00:00:00
db:	JVNDB	id:	JVNDB-2021-002057	date:	2021-07-30T04:31:00
db:	CNNVD	id:	CNNVD-202107-806	date:	2022-05-06T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-14T00:00:00
db:	NVD	id:	CVE-2021-33771	date:	2024-07-26T19:25:47.657

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-33771	date:	2021-07-14T00:00:00
db:	JVNDB	id:	JVNDB-2021-002057	date:	2021-07-30T00:00:00
db:	CNNVD	id:	CNNVD-202107-806	date:	2021-07-13T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-13T00:00:00
db:	NVD	id:	CVE-2021-33771	date:	2021-07-14T18:15:10.483