Details of VAR-202111-1771

ID

VAR-202111-1771

CVE

CVE-2021-39977

TITLE

HarmonyOS In NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-017595

DESCRIPTION

The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart

Trust: 1.8

sources: NVD: CVE-2021-39977 // JVNDB: JVNDB-2021-017595 // VULHUB: VHN-401378 // VULMON: CVE-2021-39977

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-2021-017595 // NVD: CVE-2021-39977

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-39977
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-39977
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202111-2129
value:	HIGH
Trust: 0.6
VULHUB:	VHN-401378
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2021-39977
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-39977
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
VULHUB:	VHN-401378
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
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-2021-39977
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2021-39977
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-401378 // VULMON: CVE-2021-39977 // JVNDB: JVNDB-2021-017595 // CNNVD: CNNVD-202111-2129 // NVD: CVE-2021-39977

PROBLEMTYPE DATA

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

sources: VULHUB: VHN-401378 // JVNDB: JVNDB-2021-017595 // NVD: CVE-2021-39977

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202111-2129

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202111-2129

PATCH

title:	security-bulletins-202111-0000001217889667	url:	https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667	Trust: 0.8
title:	Huawei HarmonyOS Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176790	Trust: 0.6

sources: JVNDB: JVNDB-2021-017595 // CNNVD: CNNVD-202111-2129

EXTERNAL IDS

db:	NVD	id:	CVE-2021-39977	Trust: 3.4
db:	JVNDB	id:	JVNDB-2021-017595	Trust: 0.8
db:	CNNVD	id:	CNNVD-202111-2129	Trust: 0.6
db:	VULHUB	id:	VHN-401378	Trust: 0.1
db:	VULMON	id:	CVE-2021-39977	Trust: 0.1

sources: VULHUB: VHN-401378 // VULMON: CVE-2021-39977 // JVNDB: JVNDB-2021-017595 // CNNVD: CNNVD-202111-2129 // NVD: CVE-2021-39977

REFERENCES

url:	https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2021-39977	Trust: 0.8
url:	https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202111-0000001217889667	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/476.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-401378 // VULMON: CVE-2021-39977 // JVNDB: JVNDB-2021-017595 // CNNVD: CNNVD-202111-2129 // NVD: CVE-2021-39977

SOURCES

db:	VULHUB	id:	VHN-401378
db:	VULMON	id:	CVE-2021-39977
db:	JVNDB	id:	JVNDB-2021-017595
db:	CNNVD	id:	CNNVD-202111-2129
db:	NVD	id:	CVE-2021-39977

LAST UPDATE DATE

2024-08-14T13:53:45.770000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-401378	date:	2022-01-13T00:00:00
db:	VULMON	id:	CVE-2021-39977	date:	2022-01-13T00:00:00
db:	JVNDB	id:	JVNDB-2021-017595	date:	2023-01-27T06:30:00
db:	CNNVD	id:	CNNVD-202111-2129	date:	2022-01-14T00:00:00
db:	NVD	id:	CVE-2021-39977	date:	2022-01-13T15:59:36.237

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-401378	date:	2022-01-03T00:00:00
db:	VULMON	id:	CVE-2021-39977	date:	2022-01-03T00:00:00
db:	JVNDB	id:	JVNDB-2021-017595	date:	2023-01-27T00:00:00
db:	CNNVD	id:	CNNVD-202111-2129	date:	2021-11-05T00:00:00
db:	NVD	id:	CVE-2021-39977	date:	2022-01-03T22:15:10.427