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ID

VAR-202112-0025


CVE

CVE-2021-20856


TITLE

elecom lan routers cross-site scripting vulnerability (CNVD-2021-95482)

Trust: 0.6

sources: CNVD: CNVD-2021-95482

DESCRIPTION

Cross-site scripting vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors. Elecom lan routers is a router of Japan Elecom

Trust: 1.44

sources: NVD: CVE-2021-20856 // CNVD: CNVD-2021-95482

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-95482

AFFECTED PRODUCTS

vendor:elecommodel:wrh-733gbkscope:lteversion:1.02.9

Trust: 1.0

vendor:elecommodel:wrh-733gwhscope:lteversion:1.02.9

Trust: 1.0

vendor:elecommodel:lan routers <=wrh-733gbkscope:eqversion:v1.02.9

Trust: 0.6

vendor:elecommodel:lan routers <=wrh-733gwhscope:eqversion:v1.02.9

Trust: 0.6

sources: CNVD: CNVD-2021-95482 // NVD: CVE-2021-20856

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20856
value: MEDIUM

Trust: 1.0

CNVD: CNVD-2021-95482
value: LOW

Trust: 0.6

CNNVD: CNNVD-202111-2344
value: MEDIUM

Trust: 0.6

nvd@nist.gov: CVE-2021-20856
severity: LOW
baseScore: 3.5
vectorString: AV:N/AC:M/AU:S/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 6.8
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

CNVD: CNVD-2021-95482
severity: LOW
baseScore: 3.5
vectorString: AV:N/AC:M/AU:S/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 6.8
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-20856
baseSeverity: MEDIUM
baseScore: 5.4
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
exploitabilityScore: 2.3
impactScore: 2.7
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2021-95482 // CNNVD: CNNVD-202111-2344 // NVD: CVE-2021-20856

PROBLEMTYPE DATA

problemtype:CWE-79

Trust: 1.0

sources: NVD: CVE-2021-20856

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202111-2344

TYPE

XSS

Trust: 0.6

sources: CNNVD: CNNVD-202111-2344

PATCH

title:Patch for elecom lan routers cross-site scripting vulnerability (CNVD-2021-95482)url:https://www.cnvd.org.cn/patchInfo/show/303646

Trust: 0.6

title:elecom lan Fixes for cross-site scripting vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=172524

Trust: 0.6

sources: CNVD: CNVD-2021-95482 // CNNVD: CNNVD-202111-2344

EXTERNAL IDS

db:NVDid:CVE-2021-20856

Trust: 2.2

db:JVNid:JVN88993473

Trust: 1.6

db:CNVDid:CNVD-2021-95482

Trust: 0.6

db:CS-HELPid:SB2021113002

Trust: 0.6

db:CNNVDid:CNNVD-202111-2344

Trust: 0.6

sources: CNVD: CNVD-2021-95482 // CNNVD: CNNVD-202111-2344 // NVD: CVE-2021-20856

REFERENCES

url:https://www.elecom.co.jp/news/security/20211130-01/

Trust: 2.2

url:https://jvn.jp/en/jp/jvn88993473/index.html

Trust: 1.6

url:https://www.cybersecurity-help.cz/vdb/sb2021113002

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-20856

Trust: 0.6

sources: CNVD: CNVD-2021-95482 // CNNVD: CNNVD-202111-2344 // NVD: CVE-2021-20856

SOURCES

db:CNVDid:CNVD-2021-95482
db:CNNVDid:CNNVD-202111-2344
db:NVDid:CVE-2021-20856

LAST UPDATE DATE

2024-08-14T13:22:35.280000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-95482date:2021-12-09T00:00:00
db:CNNVDid:CNNVD-202111-2344date:2021-12-08T00:00:00
db:NVDid:CVE-2021-20856date:2021-12-02T16:28:41.313

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-95482date:2021-12-09T00:00:00
db:CNNVDid:CNNVD-202111-2344date:2021-11-30T00:00:00
db:NVDid:CVE-2021-20856date:2021-12-01T03:15:06.897