Details of VAR-201809-1111

ID

VAR-201809-1111

CVE

CVE-2018-7921

TITLE

Huawei B315s-22 Information Disclosure Vulnerability

Trust: 1.2

sources: CNVD: CNVD-2018-17496 // CNNVD: CNNVD-201809-159

DESCRIPTION

Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information. Huawei B315s-22 is a home 4G router. Huawei B315s-22 is a wireless router made by China Huawei (Huawei)

Trust: 2.25

sources: NVD: CVE-2018-7921 // JVNDB: JVNDB-2018-010483 // CNVD: CNVD-2018-17496 // VULHUB: VHN-137953

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2018-17496

AFFECTED PRODUCTS

vendor:	huawei	model:	b315s-22	scope:	eq	version:	21.318.01.00.26	Trust: 2.4
vendor:	huawei	model:	b315s-22	scope:	lte	version:	<=21.318.01.00.26	Trust: 0.6

sources: CNVD: CNVD-2018-17496 // JVNDB: JVNDB-2018-010483 // CNNVD: CNNVD-201809-159 // NVD: CVE-2018-7921

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-7921
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2018-7921
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2018-17496
value:	LOW
Trust: 0.6
CNNVD:	CNNVD-201809-159
value:	LOW
Trust: 0.6
VULHUB:	VHN-137953
value:	LOW
Trust: 0.1

nvd@nist.gov:	CVE-2018-7921
severity:	LOW
baseScore:	3.3
vectorString:	AV:A/AC:L/AU:N/C:P/I:N/A:N
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	6.5
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2018-17496
severity:	LOW
baseScore:	3.3
vectorString:	AV:A/AC:L/AU:N/C:P/I:N/A:N
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	6.5
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-137953
severity:	LOW
baseScore:	3.3
vectorString:	AV:A/AC:L/AU:N/C:P/I:N/A:N
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	6.5
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-7921
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	2.8
impactScore:	3.6
version:	3.0
Trust: 1.8

sources: CNVD: CNVD-2018-17496 // VULHUB: VHN-137953 // JVNDB: JVNDB-2018-010483 // CNNVD: CNNVD-201809-159 // NVD: CVE-2018-7921

PROBLEMTYPE DATA

problemtype:

CWE-200

Trust: 1.9

sources: VULHUB: VHN-137953 // JVNDB: JVNDB-2018-010483 // NVD: CVE-2018-7921

THREAT TYPE

specific network environment

Trust: 0.6

sources: CNNVD: CNNVD-201809-159

TYPE

information disclosure

Trust: 0.6

sources: CNNVD: CNNVD-201809-159

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-010483

PATCH

title:	Security Notice - Statement About the Vulnerability in Huawei B315s-22 Products Disclosed by Security Researcher	url:	https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en	Trust: 0.8
title:	Huawei B315s-22 patch for information disclosure vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/139527	Trust: 0.6
title:	Huawei B315s-22 Repair measures for information disclosure vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=84511	Trust: 0.6

sources: CNVD: CNVD-2018-17496 // JVNDB: JVNDB-2018-010483 // CNNVD: CNNVD-201809-159

EXTERNAL IDS

db:	NVD	id:	CVE-2018-7921	Trust: 3.1
db:	EXPLOIT-DB	id:	45971	Trust: 1.1
db:	JVNDB	id:	JVNDB-2018-010483	Trust: 0.8
db:	CNNVD	id:	CNNVD-201809-159	Trust: 0.7
db:	CNVD	id:	CNVD-2018-17496	Trust: 0.6
db:	NSFOCUS	id:	41031	Trust: 0.6
db:	SEEBUG	id:	SSVID-97533	Trust: 0.1
db:	PACKETSTORM	id:	150760	Trust: 0.1
db:	VULHUB	id:	VHN-137953	Trust: 0.1

sources: CNVD: CNVD-2018-17496 // VULHUB: VHN-137953 // JVNDB: JVNDB-2018-010483 // CNNVD: CNNVD-201809-159 // NVD: CVE-2018-7921

REFERENCES

url:	https://www.huawei.com/cn/psirt/security-notices/huawei-sn-20180903-01-b315s-cn	Trust: 1.2
url:	https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en	Trust: 1.1
url:	https://www.exploit-db.com/exploits/45971/	Trust: 1.1
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-7921	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-7921	Trust: 0.8
url:	http://www.nsfocus.net/vulndb/41031	Trust: 0.6

sources: CNVD: CNVD-2018-17496 // VULHUB: VHN-137953 // JVNDB: JVNDB-2018-010483 // CNNVD: CNNVD-201809-159 // NVD: CVE-2018-7921

SOURCES

db:	CNVD	id:	CNVD-2018-17496
db:	VULHUB	id:	VHN-137953
db:	JVNDB	id:	JVNDB-2018-010483
db:	CNNVD	id:	CNNVD-201809-159
db:	NVD	id:	CVE-2018-7921

LAST UPDATE DATE

2024-11-23T22:34:06.742000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2018-17496	date:	2018-09-05T00:00:00
db:	VULHUB	id:	VHN-137953	date:	2018-12-12T00:00:00
db:	JVNDB	id:	JVNDB-2018-010483	date:	2018-12-17T00:00:00
db:	CNNVD	id:	CNNVD-201809-159	date:	2018-09-05T00:00:00
db:	NVD	id:	CVE-2018-7921	date:	2024-11-21T04:12:57.723

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2018-17496	date:	2018-09-05T00:00:00
db:	VULHUB	id:	VHN-137953	date:	2018-09-12T00:00:00
db:	JVNDB	id:	JVNDB-2018-010483	date:	2018-12-17T00:00:00
db:	CNNVD	id:	CNNVD-201809-159	date:	2018-09-05T00:00:00
db:	NVD	id:	CVE-2018-7921	date:	2018-09-12T15:29:00.877