Details of VAR-202201-1717

ID

VAR-202201-1717

CVE

CVE-2021-40018

TITLE

HarmonyOS In NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2022-002889

DESCRIPTION

The eID module has a null pointer reference vulnerability. Successful exploitation of this vulnerability may affect data confidentiality. Huawei HarmonyOS is an operating system of the Chinese company Huawei. Provide a microkernel-based full-scenario distributed operating system. A resource management error vulnerability exists in Huawei HarmonyOS

Trust: 1.71

sources: NVD: CVE-2021-40018 // JVNDB: JVNDB-2022-002889 // VULHUB: VHN-401419

AFFECTED PRODUCTS

vendor:	huawei	model:	harmonyos	scope:	lt	version:	2.0	Trust: 1.0
vendor:	huawei	model:	harmonyos	scope:	-	version:	-	Trust: 0.8
vendor:	huawei	model:	harmonyos	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2022-002889 // NVD: CVE-2021-40018

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-40018
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-40018
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202201-289
value:	HIGH
Trust: 0.6
VULHUB:	VHN-401419
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-40018
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
VULHUB:	VHN-401419
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-40018
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2021-40018
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-401419 // JVNDB: JVNDB-2022-002889 // CNNVD: CNNVD-202201-289 // NVD: CVE-2021-40018

PROBLEMTYPE DATA

problemtype:	CWE-476	Trust: 1.1
problemtype:	NULL Pointer dereference (CWE-476) [NVD evaluation ]	Trust: 0.8

sources: VULHUB: VHN-401419 // JVNDB: JVNDB-2022-002889 // NVD: CVE-2021-40018

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202201-289

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202201-289

PATCH

title:	security-bulletins-202201-0000001238736331	url:	https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331	Trust: 0.8
title:	Huawei HarmonyOS Fixes for code issue vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=178001	Trust: 0.6

sources: JVNDB: JVNDB-2022-002889 // CNNVD: CNNVD-202201-289

EXTERNAL IDS

db:	NVD	id:	CVE-2021-40018	Trust: 3.3
db:	JVNDB	id:	JVNDB-2022-002889	Trust: 0.8
db:	CNNVD	id:	CNNVD-202201-289	Trust: 0.7
db:	VULHUB	id:	VHN-401419	Trust: 0.1

sources: VULHUB: VHN-401419 // JVNDB: JVNDB-2022-002889 // CNNVD: CNNVD-202201-289 // NVD: CVE-2021-40018

REFERENCES

url:	https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-40018	Trust: 1.4
url:	https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202201-0000001238736331	Trust: 0.6

sources: VULHUB: VHN-401419 // JVNDB: JVNDB-2022-002889 // CNNVD: CNNVD-202201-289 // NVD: CVE-2021-40018

SOURCES

db:	VULHUB	id:	VHN-401419
db:	JVNDB	id:	JVNDB-2022-002889
db:	CNNVD	id:	CNNVD-202201-289
db:	NVD	id:	CVE-2021-40018

LAST UPDATE DATE

2024-08-14T14:24:59.670000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-401419	date:	2022-01-13T00:00:00
db:	JVNDB	id:	JVNDB-2022-002889	date:	2023-01-24T03:25:00
db:	CNNVD	id:	CNNVD-202201-289	date:	2022-01-17T00:00:00
db:	NVD	id:	CVE-2021-40018	date:	2022-01-13T03:09:44.180

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-401419	date:	2022-01-10T00:00:00
db:	JVNDB	id:	JVNDB-2022-002889	date:	2023-01-24T00:00:00
db:	CNNVD	id:	CNNVD-202201-289	date:	2022-01-05T00:00:00
db:	NVD	id:	CVE-2021-40018	date:	2022-01-10T14:10:21.510