Details of VAR-201707-0327

ID

VAR-201707-0327

CVE

CVE-2017-2235

TITLE

Improper access control vulnerability in Toshiba Lighting & Technology Corporation Home gateway

Trust: 0.8

sources: JVNDB: JVNDB-2017-000148

DESCRIPTION

Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier. Toshiba Home gateway HEM-GW26A firmware HEM-GW26A-FW-V1.2.0 and earlier allows an attacker to bypass access restriction to change the administrator account password via unspecified vectors. Home gateway provided by Toshiba Lighting & Technology Corporation contains improper access control. Yutaka Kokubu of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.The administrator's password may be changed. There is an access control error vulnerability in TOSHIBAHomeGatewayHEM-GW26A using HEM-GW26A-FW-V1.2.0 and previous firmware and TOSHIBAHomeGatewayHEM-GW16A using HEM-GW16A-FW-V1.2.0 and previous firmware. An attacker could use this vulnerability to change the administrator password

Trust: 2.25

sources: NVD: CVE-2017-2235 // JVNDB: JVNDB-2017-000148 // CNVD: CNVD-2017-12983 // VULHUB: VHN-110438

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2017-12983

AFFECTED PRODUCTS

vendor:	toshiba	model:	hem-gw16a	scope:	lte	version:	1.2.0	Trust: 1.0
vendor:	toshiba	model:	hem-gw26a	scope:	lte	version:	1.2.0	Trust: 1.0
vendor:	toshiba lighting	model:	home gateway hem-gw16a	scope:	lte	version:	firmware hem-gw16a-fw-v1.2.0	Trust: 0.8
vendor:	toshiba lighting	model:	home gateway hem-gw26a	scope:	lte	version:	firmware hem-gw26a-fw-v1.2.0	Trust: 0.8
vendor:	toshiba	model:	home gateway hem-gw26a <=hem-gw26a-fw-v1.2.0	scope:	-	version:	-	Trust: 0.6
vendor:	toshiba	model:	home gateway hem-gw16a <=hem-gw16a-fw-v1.2.0	scope:	-	version:	-	Trust: 0.6
vendor:	toshiba	model:	hem-gw16a	scope:	eq	version:	1.2.0	Trust: 0.6
vendor:	toshiba	model:	hem-gw26a	scope:	eq	version:	1.2.0	Trust: 0.6

sources: CNVD: CNVD-2017-12983 // JVNDB: JVNDB-2017-000148 // CNNVD: CNNVD-201706-1244 // NVD: CVE-2017-2235

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2017-2235
value:	CRITICAL
Trust: 1.0
IPA:	JVNDB-2017-000148
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2017-12983
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-201706-1244
value:	CRITICAL
Trust: 0.6
VULHUB:	VHN-110438
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2017-2235
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: 1.0
IPA:	JVNDB-2017-000148
severity:	MEDIUM
baseScore:	4.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:N
accessVector:	ADJACENT NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2017-12983
severity:	MEDIUM
baseScore:	4.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:N
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	6.5
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-110438
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: 0.1

nvd@nist.gov:	CVE-2017-2235
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:	3.9
impactScore:	5.9
version:	3.0
Trust: 1.0
IPA:	JVNDB-2017-000148
baseSeverity:	MEDIUM
baseScore:	5.4
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2017-12983 // VULHUB: VHN-110438 // JVNDB: JVNDB-2017-000148 // CNNVD: CNNVD-201706-1244 // NVD: CVE-2017-2235

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	CWE-264	Trust: 0.8
problemtype:	CWE-284	Trust: 0.1

sources: VULHUB: VHN-110438 // JVNDB: JVNDB-2017-000148 // NVD: CVE-2017-2235

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201706-1244

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-201706-1244

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-000148

PATCH

title:	Toshiba Lighting & Technology Corporation website	url:	http://www.tlt.co.jp/tlt/information/seihin/notice/defect/20170626/20170626.htm	Trust: 0.8
title:	ToshibaHomegatewayHEM-GW16A firmware has a patch for improper access control vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/97437	Trust: 0.6
title:	TOSHIBA Home Gateway HEM-GW26A and HEM-GW16A Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=71379	Trust: 0.6

sources: CNVD: CNVD-2017-12983 // JVNDB: JVNDB-2017-000148 // CNNVD: CNNVD-201706-1244

EXTERNAL IDS

db:	NVD	id:	CVE-2017-2235	Trust: 3.1
db:	JVN	id:	JVN85901441	Trust: 3.1
db:	JVNDB	id:	JVNDB-2017-000148	Trust: 0.8
db:	CNNVD	id:	CNNVD-201706-1244	Trust: 0.7
db:	CNVD	id:	CNVD-2017-12983	Trust: 0.6
db:	VULHUB	id:	VHN-110438	Trust: 0.1

sources: CNVD: CNVD-2017-12983 // VULHUB: VHN-110438 // JVNDB: JVNDB-2017-000148 // CNNVD: CNNVD-201706-1244 // NVD: CVE-2017-2235

REFERENCES

url:	http://jvn.jp/en/jp/jvn85901441/index.html	Trust: 2.5
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-2235	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2017-2235	Trust: 0.8
url:	http://jvn.jp/en/jp/jvn85901441/	Trust: 0.6

sources: CNVD: CNVD-2017-12983 // VULHUB: VHN-110438 // JVNDB: JVNDB-2017-000148 // CNNVD: CNNVD-201706-1244 // NVD: CVE-2017-2235

CREDITS

Inc. ,Yutaka Kokubu of Mitsui Bussan Secure Directions

Trust: 0.6

sources: CNNVD: CNNVD-201706-1244

SOURCES

db:	CNVD	id:	CNVD-2017-12983
db:	VULHUB	id:	VHN-110438
db:	JVNDB	id:	JVNDB-2017-000148
db:	CNNVD	id:	CNNVD-201706-1244
db:	NVD	id:	CVE-2017-2235

LAST UPDATE DATE

2025-04-20T22:11:31.233000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2017-12983	date:	2017-07-06T00:00:00
db:	VULHUB	id:	VHN-110438	date:	2020-08-24T00:00:00
db:	JVNDB	id:	JVNDB-2017-000148	date:	2018-02-14T00:00:00
db:	CNNVD	id:	CNNVD-201706-1244	date:	2020-10-23T00:00:00
db:	NVD	id:	CVE-2017-2235	date:	2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2017-12983	date:	2017-07-06T00:00:00
db:	VULHUB	id:	VHN-110438	date:	2017-07-07T00:00:00
db:	JVNDB	id:	JVNDB-2017-000148	date:	2017-06-28T00:00:00
db:	CNNVD	id:	CNNVD-201706-1244	date:	2017-06-27T00:00:00
db:	NVD	id:	CVE-2017-2235	date:	2017-07-07T13:29:01.257