Details of VAR-202106-1708

ID

VAR-202106-1708

CVE

CVE-2021-31956

TITLE

plural Microsoft Windows Elevated authority vulnerabilities in products

Trust: 0.8

sources: JVNDB: JVNDB-2021-001934

DESCRIPTION

Windows NTFS Elevation of Privilege Vulnerability. Microsoft Windows NTFS是美国微软（Microsoft）公司的一个为计算机文件服务的文件系统。该文件系统具有错误预警功能、磁盘自我修复功能和日志功能. Windows NTFS存在安全漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for x64-based Systems,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 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 2012 (Server Core installation),Windows Server 2012 R2,Windows Server 2012 R2 (Server Core installation),Windows Server 2008 for x64-based Systems Service Pack 2,Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Windows 8.1 for 32-bit systems,Windows 8.1 for x64-based systems,Windows RT 8.1,Windows Server 2008 for 32-bit Systems Service Pack 2,Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1,Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Windows Server 2012,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 2016,Windows Server 2016 (Server Core installation),Windows 7 for 32-bit Systems Service Pack 1,Windows 10 Version 1809 for 32-bit Systems,Windows 7 for x64-based Systems Service Pack 1,Windows 10 Version 21H1 for x64-based Systems,Windows 10 Version 21H1 for ARM64-based Systems,. 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-2021-31956 // JVNDB: JVNDB-2021-001934 // CNNVD: CNNVD-202106-515 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-31956

AFFECTED PRODUCTS

vendor:	microsoft	model:	windows 10 21h1	scope:	lt	version:	10.0.19043.1052	Trust: 1.0
vendor:	microsoft	model:	windows 10	scope:	eq	version:	1809	Trust: 1.0
vendor:	microsoft	model:	windows server 20h2	scope:	lt	version:	10.0.19042.1052	Trust: 1.0
vendor:	microsoft	model:	windows server 2008	scope:	eq	version:	r2	Trust: 1.0
vendor:	microsoft	model:	windows server 2012	scope:	eq	version:	r2	Trust: 1.0
vendor:	microsoft	model:	windows server 2019	scope:	lt	version:	10.0.17763.1999	Trust: 1.0
vendor:	microsoft	model:	windows server 2012	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows server 2008	scope:	eq	version:	sp2	Trust: 1.0
vendor:	microsoft	model:	windows 10 1607	scope:	lt	version:	10.0.14393.4467	Trust: 1.0
vendor:	microsoft	model:	windows 7	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows 10 1909	scope:	lt	version:	10.0.18363.1621	Trust: 1.0
vendor:	microsoft	model:	windows 10 2004	scope:	lt	version:	10.0.19041.1052	Trust: 1.0
vendor:	microsoft	model:	windows server 2016	scope:	lt	version:	10.0.14393.4467	Trust: 1.0
vendor:	microsoft	model:	windows 10 1809	scope:	lt	version:	10.0.17763.1999	Trust: 1.0
vendor:	microsoft	model:	windows 10 1507	scope:	lt	version:	10.0.10240.18967	Trust: 1.0
vendor:	microsoft	model:	windows server 2004	scope:	lt	version:	10.0.19041.1052	Trust: 1.0
vendor:	microsoft	model:	windows rt 8.1	scope:	eq	version:	-	Trust: 1.0
vendor:	microsoft	model:	windows 10 20h2	scope:	lt	version:	10.0.19042.1052	Trust: 1.0
vendor:	microsoft	model:	windows 8.1	scope:	eq	version:	-	Trust: 1.0
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:	2012 r2	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	scope:	eq	version:	2019	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 7	scope:	-	version:	-	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server 2008	scope:	-	version:	-	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 2019	scope:	eq	version:	(server core installation)	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:	2008 r2 for x64-based systems sp1	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2008 for x64-based systems sp2	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2008 r2 for x64-based systems sp1 (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	scope:	eq	version:	2016	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:	2008 for 32-bit systems sp2 (server core installation)	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 (server core installation)	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 server	scope:	eq	version:	2008 for x64-based systems sp2 (server core installation)	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:	2012 r2 (server core installation)	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2012	Trust: 0.8
vendor:	マイクロソフト	model:	microsoft windows server	scope:	eq	version:	2008 for 32-bit systems sp2	Trust: 0.8

sources: JVNDB: JVNDB-2021-001934 // NVD: CVE-2021-31956

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2021-31956
value:	HIGH
Trust: 1.8
secure@microsoft.com:	CVE-2021-31956
value:	HIGH
Trust: 1.0
CNNVD:	CNNVD-202106-515
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202104-975
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2021-31956
value:	HIGH
Trust: 0.1

NVD:
severity:	HIGH
baseScore:	9.3
vectorString:	AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.6
impactScore:	10.0
acInsufInfo:	FALSE
obtainAllPrivilege:	FALSE
obtainUserPrivilege:	FALSE
obtainOtherPrivilege:	FALSE
userInteractionRequired:	TRUE
version:	2.0
Trust: 1.0
NVD:	CVE-2021-31956
severity:	HIGH
baseScore:	9.3
vectorString:	AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
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-2021-31956
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULMON: CVE-2021-31956 // JVNDB: JVNDB-2021-001934 // CNNVD: CNNVD-202106-515 // CNNVD: CNNVD-202104-975 // NVD: CVE-2021-31956 // NVD: CVE-2021-31956

PROBLEMTYPE DATA

problemtype:	CWE-191	Trust: 1.0
problemtype:	Improper authority management (CWE-269) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-001934 // NVD: CVE-2021-31956

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202106-515

TYPE

permissions and access control issues

Trust: 0.6

sources: CNNVD: CNNVD-202106-515

CONFIGURATIONS

sources: NVD: CVE-2021-31956

PATCH

title:	Windows NTFS Elevation of Privilege Vulnerability Security Update Guide	url:	https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2021-31956	Trust: 0.8
title:	Windows NTFS Fixes for permissions and access control issues vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=153697	Trust: 0.6
title:	-	url:	https://github.com/hoangprod/cve-2021-31956-poc	Trust: 0.1
title:	-	url:	https://github.com/hoangprod/cbe-2021-31956	Trust: 0.1
title:	-	url:	https://github.com/hoangprod/cve-2021-31956	Trust: 0.1
title:	-	url:	https://github.com/daem0nc0re/sharpwnfsuite	Trust: 0.1
title:	poolfengshui	url:	https://github.com/cbwang505/poolfengshui	Trust: 0.1

sources: VULMON: CVE-2021-31956 // JVNDB: JVNDB-2021-001934 // CNNVD: CNNVD-202106-515

EXTERNAL IDS

db:	NVD	id:	CVE-2021-31956	Trust: 2.5
db:	JVNDB	id:	JVNDB-2021-001934	Trust: 0.8
db:	CS-HELP	id:	SB2021060816	Trust: 0.6
db:	CNNVD	id:	CNNVD-202106-515	Trust: 0.6
db:	CS-HELP	id:	SB2021041363	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-975	Trust: 0.6
db:	VULMON	id:	CVE-2021-31956	Trust: 0.1

sources: VULMON: CVE-2021-31956 // JVNDB: JVNDB-2021-001934 // CNNVD: CNNVD-202106-515 // CNNVD: CNNVD-202104-975 // NVD: CVE-2021-31956

REFERENCES

url:	https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/cve-2021-31956	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2021-31956	Trust: 0.8
url:	https://www.ipa.go.jp/security/ciadr/vul/20210609-ms.html	Trust: 0.8
url:	https://www.jpcert.or.jp/at/2021/at210027.html	Trust: 0.8
url:	https://www.cybersecurity-help.cz/vdb/sb2021060816	Trust: 0.6
url:	https://msrc.microsoft.com/update-guide/vulnerability/cve-2021-31956	Trust: 0.6
url:	https://vigilance.fr/vulnerability/windows-vulnerabilities-of-june-2021-35662	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2021041363	Trust: 0.6

sources: JVNDB: JVNDB-2021-001934 // CNNVD: CNNVD-202106-515 // CNNVD: CNNVD-202104-975 // NVD: CVE-2021-31956

CREDITS

Boris Larin (oct0xor) of Kaspersky Lab

Trust: 0.6

sources: CNNVD: CNNVD-202106-515

SOURCES

db:	VULMON	id:	CVE-2021-31956
db:	JVNDB	id:	JVNDB-2021-001934
db:	CNNVD	id:	CNNVD-202106-515
db:	CNNVD	id:	CNNVD-202104-975
db:	NVD	id:	CVE-2021-31956

LAST UPDATE DATE

2024-07-30T19:28:31.689000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-31956	date:	2023-08-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-001934	date:	2021-07-05T08:26:00
db:	CNNVD	id:	CNNVD-202106-515	date:	2022-05-05T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-14T00:00:00
db:	NVD	id:	CVE-2021-31956	date:	2024-07-29T17:33:52.247

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-31956	date:	2021-06-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-001934	date:	2021-07-05T00:00:00
db:	CNNVD	id:	CNNVD-202106-515	date:	2021-06-08T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-13T00:00:00
db:	NVD	id:	CVE-2021-31956	date:	2021-06-08T23:15:08.847