Sign-up

ID

VAR-202201-1017


CVE

CVE-2021-40020


TITLE

EMUI  and  Magic UI  Out-of-bounds read vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2022-002903

DESCRIPTION

There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality. EMUI and Magic UI Exists in an out-of-bounds read vulnerability.Information may be obtained. The Huawei Smartphone is a smartphone from the Chinese company Huawei

Trust: 2.25

sources: NVD: CVE-2021-40020 // JVNDB: JVNDB-2022-002903 // CNVD: CNVD-2022-12805 // VULHUB: VHN-401421

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-12805

AFFECTED PRODUCTS

vendor:huaweimodel:emuiscope:eqversion:10.0.0

Trust: 1.6

vendor:huaweimodel:emuiscope:eqversion:10.1.0

Trust: 1.6

vendor:huaweimodel:emuiscope:eqversion:10.1.1

Trust: 1.6

vendor:huaweimodel:emuiscope:eqversion:11.0.0

Trust: 1.6

vendor:huaweimodel:magic uiscope:eqversion:3.0.0

Trust: 1.6

vendor:huaweimodel:magic uiscope:eqversion:3.1.0

Trust: 1.6

vendor:huaweimodel:magic uiscope:eqversion:3.1.1

Trust: 1.6

vendor:huaweimodel:magic uiscope:eqversion:4.0.0

Trust: 1.6

vendor:huaweimodel:emuiscope: - version: -

Trust: 0.8

vendor:huaweimodel:magic uiscope: - version: -

Trust: 0.8

sources: CNVD: CNVD-2022-12805 // JVNDB: JVNDB-2022-002903 // NVD: CVE-2021-40020

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-40020
value: HIGH

Trust: 1.0

NVD: CVE-2021-40020
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-12805
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202201-567
value: HIGH

Trust: 0.6

VULHUB: VHN-401421
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-40020
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

CNVD: CNVD-2022-12805
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: 0.6

VULHUB: VHN-401421
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-2021-40020
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-2021-40020
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: CNVD: CNVD-2022-12805 // VULHUB: VHN-401421 // JVNDB: JVNDB-2022-002903 // CNNVD: CNNVD-202201-567 // NVD: CVE-2021-40020

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.1

problemtype:Out-of-bounds read (CWE-125) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-401421 // JVNDB: JVNDB-2022-002903 // NVD: CVE-2021-40020

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202201-567

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202201-567

PATCH

title:HUAWEI EMUI/Magic UI security updates January 2022url:https://consumer.huawei.com/en/support/bulletin/2022/1/

Trust: 0.8

title:Patch for Huawei Smartphone Buffer Overflow Vulnerability (CNVD-2022-12805)url:https://www.cnvd.org.cn/patchInfo/show/321021

Trust: 0.6

title:Huawei Smartphone Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=178043

Trust: 0.6

sources: CNVD: CNVD-2022-12805 // JVNDB: JVNDB-2022-002903 // CNNVD: CNNVD-202201-567

EXTERNAL IDS

db:NVDid:CVE-2021-40020

Trust: 3.9

db:JVNDBid:JVNDB-2022-002903

Trust: 0.8

db:CNVDid:CNVD-2022-12805

Trust: 0.7

db:CNNVDid:CNNVD-202201-567

Trust: 0.6

db:VULHUBid:VHN-401421

Trust: 0.1

sources: CNVD: CNVD-2022-12805 // VULHUB: VHN-401421 // JVNDB: JVNDB-2022-002903 // CNNVD: CNNVD-202201-567 // NVD: CVE-2021-40020

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2021-40020

Trust: 2.0

url:https://consumer.huawei.com/en/support/bulletin/2022/1/

Trust: 1.7

sources: CNVD: CNVD-2022-12805 // VULHUB: VHN-401421 // JVNDB: JVNDB-2022-002903 // CNNVD: CNNVD-202201-567 // NVD: CVE-2021-40020

SOURCES

db:CNVDid:CNVD-2022-12805
db:VULHUBid:VHN-401421
db:JVNDBid:JVNDB-2022-002903
db:CNNVDid:CNNVD-202201-567
db:NVDid:CVE-2021-40020

LAST UPDATE DATE

2024-08-14T13:22:47.990000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-12805date:2022-02-21T00:00:00
db:VULHUBid:VHN-401421date:2022-01-13T00:00:00
db:JVNDBid:JVNDB-2022-002903date:2023-01-25T09:02:00
db:CNNVDid:CNNVD-202201-567date:2022-01-17T00:00:00
db:NVDid:CVE-2021-40020date:2022-01-13T03:12:21.883

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-12805date:2022-02-20T00:00:00
db:VULHUBid:VHN-401421date:2022-01-10T00:00:00
db:JVNDBid:JVNDB-2022-002903date:2023-01-25T00:00:00
db:CNNVDid:CNNVD-202201-567date:2022-01-10T00:00:00
db:NVDid:CVE-2021-40020date:2022-01-10T14:10:21.557