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ID

VAR-202102-1410


CVE

CVE-2021-27167


TITLE

FiberHome HG6245D  Vulnerability in using hard-coded credentials on devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-003424

DESCRIPTION

An issue was discovered on FiberHome HG6245D devices through RP2613. There is a password of four hexadecimal characters for the admin account. These characters are generated in init_3bb_password in libci_adaptation_layer.so. FiberHome HG6245D A device contains a vulnerability in the use of hard-coded credentials.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. FiberHome HG6245D devices is a router of China FiberHome. Provide network connectivity function. There is a trust management vulnerability in FiberHome HG6245D devices. Attackers can use this vulnerability to attack the affected components using default passwords or hard-coded passwords, hard-coded certificates, etc

Trust: 2.25

sources: NVD: CVE-2021-27167 // JVNDB: JVNDB-2021-003424 // CNVD: CNVD-2021-18379 // VULMON: CVE-2021-27167

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-18379

AFFECTED PRODUCTS

vendor:fiberhomemodel:hg6245dscope:lteversion:rp2613

Trust: 1.0

vendor:fiberhome groupmodel:hg6245dscope:lteversion:hg6245d firmware rp2613 until

Trust: 0.8

vendor:fiberhome groupmodel:hg6245dscope:eqversion: -

Trust: 0.8

vendor:fiberhomemodel:hg6245d devicesscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-18379 // JVNDB: JVNDB-2021-003424 // NVD: CVE-2021-27167

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-27167
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-27167
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2021-18379
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202102-996
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-27167
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-27167
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: 1.9

CNVD: CNVD-2021-18379
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

nvd@nist.gov: CVE-2021-27167
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-27167
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-18379 // VULMON: CVE-2021-27167 // JVNDB: JVNDB-2021-003424 // CNNVD: CNNVD-202102-996 // NVD: CVE-2021-27167

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.0

problemtype:Using hardcoded credentials (CWE-798) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-003424 // NVD: CVE-2021-27167

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202102-996

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-202102-996

PATCH

title:Top Pageurl:http://www.fiberhome.com/default.aspx

Trust: 0.8

title:Patch for FiberHome HG6245D devices trust management issue vulnerability (CNVD-2021-18379)url:https://www.cnvd.org.cn/patchInfo/show/253636

Trust: 0.6

title:apt and Fiber Repair measures for trust management problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=142320

Trust: 0.6

sources: CNVD: CNVD-2021-18379 // JVNDB: JVNDB-2021-003424 // CNNVD: CNNVD-202102-996

EXTERNAL IDS

db:NVDid:CVE-2021-27167

Trust: 3.1

db:JVNDBid:JVNDB-2021-003424

Trust: 0.8

db:CNVDid:CNVD-2021-18379

Trust: 0.6

db:CNNVDid:CNNVD-202102-996

Trust: 0.6

db:VULMONid:CVE-2021-27167

Trust: 0.1

sources: CNVD: CNVD-2021-18379 // VULMON: CVE-2021-27167 // JVNDB: JVNDB-2021-003424 // CNNVD: CNNVD-202102-996 // NVD: CVE-2021-27167

REFERENCES

url:https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-linux-hardcoded-credentials

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-27167

Trust: 1.4

url:https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/798.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-18379 // VULMON: CVE-2021-27167 // JVNDB: JVNDB-2021-003424 // CNNVD: CNNVD-202102-996 // NVD: CVE-2021-27167

SOURCES

db:CNVDid:CNVD-2021-18379
db:VULMONid:CVE-2021-27167
db:JVNDBid:JVNDB-2021-003424
db:CNNVDid:CNNVD-202102-996
db:NVDid:CVE-2021-27167

LAST UPDATE DATE

2024-11-23T22:16:07.741000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-18379date:2021-03-18T00:00:00
db:VULMONid:CVE-2021-27167date:2021-02-12T00:00:00
db:JVNDBid:JVNDB-2021-003424date:2021-10-26T08:51:00
db:CNNVDid:CNNVD-202102-996date:2021-03-09T00:00:00
db:NVDid:CVE-2021-27167date:2024-11-21T05:57:27.697

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-18379date:2021-03-18T00:00:00
db:VULMONid:CVE-2021-27167date:2021-02-10T00:00:00
db:JVNDBid:JVNDB-2021-003424date:2021-10-26T00:00:00
db:CNNVDid:CNNVD-202102-996date:2021-02-10T00:00:00
db:NVDid:CVE-2021-27167date:2021-02-10T19:15:14.730