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ID

VAR-202112-0004


CVE

CVE-2021-20860


TITLE

elecom lan routers cross-site request forgery vulnerability

Trust: 0.6

sources: CNVD: CNVD-2021-95486

DESCRIPTION

Cross-site request forgery (CSRF) vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a remote authenticated attacker to hijack the authentication of an administrator via a specially crafted page. elecom lan routers is a router of Japan Elecom. Elecom lan routers has a cross-site request forgery vulnerability, which can be exploited by attackers to hijack administrator authentication through a specially crafted page

Trust: 1.44

sources: NVD: CVE-2021-20860 // CNVD: CNVD-2021-95486

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-95486

AFFECTED PRODUCTS

vendor:elecommodel:wrc-2533gst2-gscope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-2533gs2-bscope:lteversion:1.52

Trust: 1.0

vendor:elecommodel:edwrc-2533gst2scope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-1750gsvscope:lteversion:2.11

Trust: 1.0

vendor:elecommodel:wrc-1167gst2scope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-2533gs2-wscope:lteversion:1.52

Trust: 1.0

vendor:elecommodel:wrc-1167gst2hscope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-2533gstascope:lteversion:1.03

Trust: 1.0

vendor:elecommodel:wrc-1900gstscope:lteversion:1.03

Trust: 1.0

vendor:elecommodel:wrc-2533gst2scope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-1167gst2ascope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-2533gstscope:lteversion:1.03

Trust: 1.0

vendor:elecommodel:wrc-2533gst2spscope:lteversion:1.25

Trust: 1.0

vendor:elecommodel:wrc-1750gsscope:lteversion:1.03

Trust: 1.0

vendor:elecommodel:lan routers <=wrc-1167gst2scope:eqversion:v1.25

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-1167gst2ascope:eqversion:v1.25

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-1167gst2hscope:eqversion:v1.25

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gs2-bscope:eqversion:v1.52

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gs2-wscope:eqversion:v1.52

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-1750gsscope:eqversion:v1.03

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-1750gsvscope:eqversion:v2.11

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-1900gstscope:eqversion:v1.03

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gstscope:eqversion:v1.03

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gstascope:eqversion:v1.03

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gst2scope:eqversion:v1.25

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gst2spscope:eqversion:v1.25

Trust: 0.6

vendor:elecommodel:lan routers <=wrc-2533gst2-gscope:eqversion:v1.25

Trust: 0.6

vendor:elecommodel:lan routers <=edwrc-2533gst2scope:eqversion:v1.25

Trust: 0.6

sources: CNVD: CNVD-2021-95486 // NVD: CVE-2021-20860

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20860
value: HIGH

Trust: 1.0

CNVD: CNVD-2021-95486
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202111-2337
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-20860
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

CNVD: CNVD-2021-95486
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-20860
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2021-95486 // CNNVD: CNNVD-202111-2337 // NVD: CVE-2021-20860

PROBLEMTYPE DATA

problemtype:CWE-352

Trust: 1.0

sources: NVD: CVE-2021-20860

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202111-2337

TYPE

cross-site request forgery

Trust: 0.6

sources: CNNVD: CNNVD-202111-2337

PATCH

title:Patch for elecom lan routers cross-site request forgery vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/303626

Trust: 0.6

title:elecom lan Fixes for cross-site request forgery vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=172660

Trust: 0.6

sources: CNVD: CNVD-2021-95486 // CNNVD: CNNVD-202111-2337

EXTERNAL IDS

db:NVDid:CVE-2021-20860

Trust: 2.2

db:JVNid:JVN88993473

Trust: 1.6

db:CS-HELPid:SB2021113005

Trust: 1.2

db:CNVDid:CNVD-2021-95486

Trust: 0.6

db:CNNVDid:CNNVD-202111-2337

Trust: 0.6

sources: CNVD: CNVD-2021-95486 // CNNVD: CNNVD-202111-2337 // NVD: CVE-2021-20860

REFERENCES

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

Trust: 1.6

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

Trust: 1.6

url:https://www.cybersecurity-help.cz/vdb/sb2021113005

Trust: 1.2

url:https://nvd.nist.gov/vuln/detail/cve-2021-20860

Trust: 0.6

sources: CNVD: CNVD-2021-95486 // CNNVD: CNNVD-202111-2337 // NVD: CVE-2021-20860

SOURCES

db:CNVDid:CNVD-2021-95486
db:CNNVDid:CNNVD-202111-2337
db:NVDid:CVE-2021-20860

LAST UPDATE DATE

2024-08-14T13:22:35.449000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-95486date:2021-12-09T00:00:00
db:CNNVDid:CNNVD-202111-2337date:2021-12-08T00:00:00
db:NVDid:CVE-2021-20860date:2021-12-02T14:01:11.917

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-95486date:2021-12-09T00:00:00
db:CNNVDid:CNNVD-202111-2337date:2021-11-30T00:00:00
db:NVDid:CVE-2021-20860date:2021-12-01T03:15:07.080