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ID

VAR-202112-0024


CVE

CVE-2021-20857


TITLE

elecom lan routers cross-site scripting vulnerability (CNVD-2021-95481)

Trust: 0.6

sources: CNVD: CNVD-2021-95481

DESCRIPTION

Cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 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-2021-20857 // CNVD: CNVD-2021-95481

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-95481

AFFECTED PRODUCTS

vendor:elecommodel:wrc-2533ghbk-iscope:lteversion:1.20

Trust: 1.0

vendor:elecommodel:lan routers <=wrc-2533ghbk-iscope:eqversion:v1.20

Trust: 0.6

sources: CNVD: CNVD-2021-95481 // NVD: CVE-2021-20857

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20857
value: MEDIUM

Trust: 1.0

CNVD: CNVD-2021-95481
value: LOW

Trust: 0.6

CNNVD: CNNVD-202111-2342
value: MEDIUM

Trust: 0.6

nvd@nist.gov: CVE-2021-20857
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-2021-95481
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-2021-20857
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-2021-95481 // CNNVD: CNNVD-202111-2342 // NVD: CVE-2021-20857

PROBLEMTYPE DATA

problemtype:CWE-79

Trust: 1.0

sources: NVD: CVE-2021-20857

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202111-2342

TYPE

XSS

Trust: 0.6

sources: CNNVD: CNNVD-202111-2342

PATCH

title:Patch for elecom lan routers cross-site scripting vulnerability (CNVD-2021-95481)url:https://www.cnvd.org.cn/patchInfo/show/303651

Trust: 0.6

title:elecom lan Fixes for cross-site scripting vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=172265

Trust: 0.6

sources: CNVD: CNVD-2021-95481 // CNNVD: CNNVD-202111-2342

EXTERNAL IDS

db:NVDid:CVE-2021-20857

Trust: 2.2

db:JVNid:JVN88993473

Trust: 1.6

db:CNVDid:CNVD-2021-95481

Trust: 0.6

db:CS-HELPid:SB2021113003

Trust: 0.6

db:CNNVDid:CNNVD-202111-2342

Trust: 0.6

sources: CNVD: CNVD-2021-95481 // CNNVD: CNNVD-202111-2342 // NVD: CVE-2021-20857

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/sb2021113003

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-20857

Trust: 0.6

sources: CNVD: CNVD-2021-95481 // CNNVD: CNNVD-202111-2342 // NVD: CVE-2021-20857

SOURCES

db:CNVDid:CNVD-2021-95481
db:CNNVDid:CNNVD-202111-2342
db:NVDid:CVE-2021-20857

LAST UPDATE DATE

2024-08-14T13:22:35.386000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-95481date:2021-12-09T00:00:00
db:CNNVDid:CNNVD-202111-2342date:2021-12-08T00:00:00
db:NVDid:CVE-2021-20857date:2021-12-02T16:29:45.350

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-95481date:2021-12-09T00:00:00
db:CNNVDid:CNNVD-202111-2342date:2021-11-30T00:00:00
db:NVDid:CVE-2021-20857date:2021-12-01T03:15:06.940