Details of VAR-202102-1409

ID

VAR-202102-1409

CVE

CVE-2021-27166

TITLE

FiberHome HG6245D Vulnerability in using hard-coded credentials on devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-003423

DESCRIPTION

An issue was discovered on FiberHome HG6245D devices through RP2613. The password for the enable command is gpon. 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: 2.16

sources: NVD: CVE-2021-27166 // JVNDB: JVNDB-2021-003423 // CNVD: CNVD-2021-18374

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-18374

AFFECTED PRODUCTS

vendor:	fiberhome	model:	hg6245d	scope:	lte	version:	rp2613	Trust: 1.0
vendor:	fiberhome group	model:	hg6245d	scope:	lte	version:	hg6245d firmware rp2613 until	Trust: 0.8
vendor:	fiberhome group	model:	hg6245d	scope:	eq	version:	-	Trust: 0.8
vendor:	fiberhome	model:	hg6245d devices	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-18374 // JVNDB: JVNDB-2021-003423 // NVD: CVE-2021-27166

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-27166
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-27166
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-18374
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202102-994
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2021-27166
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-2021-18374
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-2021-27166
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-2021-27166
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-2021-18374 // JVNDB: JVNDB-2021-003423 // CNNVD: CNNVD-202102-994 // NVD: CVE-2021-27166

PROBLEMTYPE DATA

problemtype:	CWE-798	Trust: 1.0
problemtype:	Using hardcoded credentials (CWE-798) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-003423 // NVD: CVE-2021-27166

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202102-994

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-202102-994

PATCH

title:	Top Page	url:	http://www.fiberhome.com/default.aspx	Trust: 0.8
title:	Patch for FiberHome HG6245D devices trust management issue vulnerability (CNVD-2021-18374)	url:	https://www.cnvd.org.cn/patchInfo/show/253666	Trust: 0.6
title:	Fiber Repair measures for trust management problem vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=142318	Trust: 0.6

sources: CNVD: CNVD-2021-18374 // JVNDB: JVNDB-2021-003423 // CNNVD: CNNVD-202102-994

EXTERNAL IDS

db:	NVD	id:	CVE-2021-27166	Trust: 3.0
db:	JVNDB	id:	JVNDB-2021-003423	Trust: 0.8
db:	CNVD	id:	CNVD-2021-18374	Trust: 0.6
db:	CNNVD	id:	CNNVD-202102-994	Trust: 0.6

sources: CNVD: CNVD-2021-18374 // JVNDB: JVNDB-2021-003423 // CNNVD: CNNVD-202102-994 // NVD: CVE-2021-27166

REFERENCES

url:	https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-linux-hardcoded-credentials	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2021-27166	Trust: 1.4
url:	https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet	Trust: 0.6

sources: CNVD: CNVD-2021-18374 // JVNDB: JVNDB-2021-003423 // CNNVD: CNNVD-202102-994 // NVD: CVE-2021-27166

SOURCES

db:	CNVD	id:	CNVD-2021-18374
db:	JVNDB	id:	JVNDB-2021-003423
db:	CNNVD	id:	CNNVD-202102-994
db:	NVD	id:	CVE-2021-27166

LAST UPDATE DATE

2024-11-23T22:40:46.852000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-18374	date:	2021-03-18T00:00:00
db:	JVNDB	id:	JVNDB-2021-003423	date:	2021-10-26T08:50:00
db:	CNNVD	id:	CNNVD-202102-994	date:	2021-03-09T00:00:00
db:	NVD	id:	CVE-2021-27166	date:	2024-11-21T05:57:27.550

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-18374	date:	2021-03-18T00:00:00
db:	JVNDB	id:	JVNDB-2021-003423	date:	2021-10-26T00:00:00
db:	CNNVD	id:	CNNVD-202102-994	date:	2021-02-10T00:00:00
db:	NVD	id:	CVE-2021-27166	date:	2021-02-10T19:15:14.683