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ID

VAR-202108-0285


CVE

CVE-2021-22421


TITLE

HarmonyOS  Vulnerability in privilege management

Trust: 0.8

sources: JVNDB: JVNDB-2021-009367

DESCRIPTION

A component of the HarmonyOS has a Improper Privilege Management vulnerability. Local attackers may exploit this vulnerability to cause further Elevation of Privileges. HarmonyOS Contains a privilege management vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state

Trust: 1.8

sources: NVD: CVE-2021-22421 // JVNDB: JVNDB-2021-009367 // VULHUB: VHN-380856 // VULMON: CVE-2021-22421

AFFECTED PRODUCTS

vendor:huaweimodel:harmonyosscope:eqversion:2.0

Trust: 1.0

vendor:huaweimodel:harmonyosscope: - version: -

Trust: 0.8

vendor:huaweimodel:harmonyosscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-009367 // NVD: CVE-2021-22421

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-22421
value: HIGH

Trust: 1.0

NVD: CVE-2021-22421
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202108-318
value: HIGH

Trust: 0.6

VULHUB: VHN-380856
value: HIGH

Trust: 0.1

VULMON: CVE-2021-22421
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-22421
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: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-380856
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: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-22421
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-2021-22421
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-380856 // VULMON: CVE-2021-22421 // JVNDB: JVNDB-2021-009367 // CNNVD: CNNVD-202108-318 // NVD: CVE-2021-22421

PROBLEMTYPE DATA

problemtype:CWE-269

Trust: 1.1

problemtype:Improper authority management (CWE-269) [NVD Evaluation ]

Trust: 0.8

sources: VULHUB: VHN-380856 // JVNDB: JVNDB-2021-009367 // NVD: CVE-2021-22421

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202108-318

TYPE

configuration error

Trust: 0.6

sources: CNNVD: CNNVD-202108-318

PATCH

title:Keisei Expectationsurl:https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077

Trust: 0.8

title:Huawei HarmonyOS Fixes for configuration error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159649

Trust: 0.6

sources: JVNDB: JVNDB-2021-009367 // CNNVD: CNNVD-202108-318

EXTERNAL IDS

db:NVDid:CVE-2021-22421

Trust: 3.4

db:JVNDBid:JVNDB-2021-009367

Trust: 0.8

db:CNNVDid:CNNVD-202108-318

Trust: 0.6

db:VULHUBid:VHN-380856

Trust: 0.1

db:VULMONid:CVE-2021-22421

Trust: 0.1

sources: VULHUB: VHN-380856 // VULMON: CVE-2021-22421 // JVNDB: JVNDB-2021-009367 // CNNVD: CNNVD-202108-318 // NVD: CVE-2021-22421

REFERENCES

url:https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-22421

Trust: 1.4

url:https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202106-0000001165452077

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/269.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-380856 // VULMON: CVE-2021-22421 // JVNDB: JVNDB-2021-009367 // CNNVD: CNNVD-202108-318 // NVD: CVE-2021-22421

SOURCES

db:VULHUBid:VHN-380856
db:VULMONid:CVE-2021-22421
db:JVNDBid:JVNDB-2021-009367
db:CNNVDid:CNNVD-202108-318
db:NVDid:CVE-2021-22421

LAST UPDATE DATE

2024-08-14T13:43:26.026000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-380856date:2021-08-11T00:00:00
db:VULMONid:CVE-2021-22421date:2021-08-11T00:00:00
db:JVNDBid:JVNDB-2021-009367date:2022-04-21T08:53:00
db:CNNVDid:CNNVD-202108-318date:2021-11-29T00:00:00
db:NVDid:CVE-2021-22421date:2021-08-11T13:32:19.737

SOURCES RELEASE DATE

db:VULHUBid:VHN-380856date:2021-08-03T00:00:00
db:VULMONid:CVE-2021-22421date:2021-08-03T00:00:00
db:JVNDBid:JVNDB-2021-009367date:2022-04-21T00:00:00
db:CNNVDid:CNNVD-202108-318date:2021-08-03T00:00:00
db:NVDid:CVE-2021-22421date:2021-08-03T18:15:08.157