Details of VAR-201903-0176

ID

VAR-201903-0176

CVE

CVE-2019-6520

TITLE

Moxa IKS and EDS Access control vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2019-002347

DESCRIPTION

Moxa IKS and EDS does not properly check authority on server side, which results in a read-only user being able to perform arbitrary configuration changes. Moxa IKS and EDS Contains an access control vulnerability.Information may be tampered with. MoxaIKS and EDS are Moxa's line of industrial switches. The vulnerability stems from the device failing to properly check permissions on the server side. An attacker could exploit this vulnerability to modify the configuration. A cross-site-scripting vulnerability 2. Multiple stack-based buffer-overflow vulnerabilities 3. A security vulnerability 4. An information disclosure vulnerability 5. A cross-site request-forgery vulnerability 6. Multiple denial-of-service vulnerabilities 7. A security-bypass vulnerability 8. An authentication bypass vulnerability An attacker may leverage these issues to view arbitrary files within the context of the web server, execute arbitrary script code in the browser of the victim in the context of the affected site, steal cookie-based authentication credentials, gain access to sensitive information, compromise the application, access or modify data, reboot or crash of the application resulting in a denial of service condition, bypass security restrictions, or execute arbitrary code. This may lead to other vulnerabilities. The following Moxa products and versions are affected: IKS-G6824A series versions 4.5 and prior, EDS-405A series versions 3.8 and prior, EDS-408A series versions 3.8 and prior, and EDS-510A series versions 3.8 and prior. Moxa IKS-G6824A series are all products of Moxa Company in Taiwan, China. IKS-G6824A series is a series of rack-mount Ethernet switches. EDS-405A series is an EDS-405A series Ethernet switch. EDS-408A series is an EDS-408A series Ethernet switch

Trust: 2.79

sources: NVD: CVE-2019-6520 // JVNDB: JVNDB-2019-002347 // CNVD: CNVD-2019-06179 // BID: 107178 // IVD: 44ff4a4f-b858-48d2-8216-b32637775bf7 // VULHUB: VHN-157955 // VULMON: CVE-2019-6520

IOT TAXONOMY

category:	['ICS', 'Network device']	sub_category:	-	Trust: 0.6
category:	['ICS']	sub_category:	-	Trust: 0.2

sources: IVD: 44ff4a4f-b858-48d2-8216-b32637775bf7 // CNVD: CNVD-2019-06179

AFFECTED PRODUCTS

vendor:	moxa	model:	iks-g6824a	scope:	lte	version:	4.5	Trust: 1.0
vendor:	moxa	model:	eds-510a	scope:	lte	version:	3.8	Trust: 1.0
vendor:	moxa	model:	eds-405a	scope:	lte	version:	3.8	Trust: 1.0
vendor:	moxa	model:	eds-408a	scope:	lte	version:	3.8	Trust: 1.0
vendor:	moxa	model:	eds-405a series	scope:	-	version:	-	Trust: 0.8
vendor:	moxa	model:	eds-408a series	scope:	-	version:	-	Trust: 0.8
vendor:	moxa	model:	eds-510a series	scope:	-	version:	-	Trust: 0.8
vendor:	moxa	model:	iks-g6824a series	scope:	-	version:	-	Trust: 0.8
vendor:	moxa	model:	iks-g6824a	scope:	lte	version:	<=4.5	Trust: 0.6
vendor:	moxa	model:	eds-405a	scope:	lte	version:	<=3.8	Trust: 0.6
vendor:	moxa	model:	eds-408a	scope:	lte	version:	<=3.8	Trust: 0.6
vendor:	moxa	model:	eds-510a	scope:	lte	version:	<=3.8	Trust: 0.6
vendor:	moxa	model:	iks-g6824a	scope:	eq	version:	4.5	Trust: 0.3
vendor:	moxa	model:	eds-510a	scope:	eq	version:	3.8	Trust: 0.3
vendor:	moxa	model:	eds-408a	scope:	eq	version:	3.8	Trust: 0.3
vendor:	moxa	model:	eds-405a	scope:	eq	version:	3.8	Trust: 0.3
vendor:	iks g6824a	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	eds 405a	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	eds 408a	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	eds 510a	model:	-	scope:	eq	version:	*	Trust: 0.2

sources: IVD: 44ff4a4f-b858-48d2-8216-b32637775bf7 // CNVD: CNVD-2019-06179 // BID: 107178 // JVNDB: JVNDB-2019-002347 // NVD: CVE-2019-6520

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-6520
value:	HIGH
Trust: 1.0
NVD:	CVE-2019-6520
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2019-06179
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201902-958
value:	HIGH
Trust: 0.6
IVD:	44ff4a4f-b858-48d2-8216-b32637775bf7
value:	HIGH
Trust: 0.2
VULHUB:	VHN-157955
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2019-6520
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2019-6520
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
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-2019-06179
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	44ff4a4f-b858-48d2-8216-b32637775bf7
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2
VULHUB:	VHN-157955
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
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-2019-6520
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2019-6520
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: IVD: 44ff4a4f-b858-48d2-8216-b32637775bf7 // CNVD: CNVD-2019-06179 // VULHUB: VHN-157955 // VULMON: CVE-2019-6520 // JVNDB: JVNDB-2019-002347 // CNNVD: CNNVD-201902-958 // NVD: CVE-2019-6520

PROBLEMTYPE DATA

problemtype:	CWE-284	Trust: 1.1
problemtype:	NVD-CWE-Other	Trust: 1.0
problemtype:	CWE-287	Trust: 0.8

sources: VULHUB: VHN-157955 // JVNDB: JVNDB-2019-002347 // NVD: CVE-2019-6520

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201902-958

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-201902-958

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-002347

PATCH

title:	Top Page	url:	https://www.moxa.com/	Trust: 0.8
title:	MoxaIKS and EDS access patches for improper control of vulnerabilities	url:	https://www.cnvd.org.cn/patchInfo/show/155207	Trust: 0.6
title:	Multiple Moxa Product access control error vulnerability fixes	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=89674	Trust: 0.6

sources: CNVD: CNVD-2019-06179 // JVNDB: JVNDB-2019-002347 // CNNVD: CNNVD-201902-958

EXTERNAL IDS

db:	NVD	id:	CVE-2019-6520	Trust: 3.7
db:	ICS CERT	id:	ICSA-19-057-01	Trust: 3.5
db:	BID	id:	107178	Trust: 2.1
db:	CNNVD	id:	CNNVD-201902-958	Trust: 0.9
db:	CNVD	id:	CNVD-2019-06179	Trust: 0.8
db:	JVNDB	id:	JVNDB-2019-002347	Trust: 0.8
db:	AUSCERT	id:	ESB-2019.0597	Trust: 0.6
db:	IVD	id:	44FF4A4F-B858-48D2-8216-B32637775BF7	Trust: 0.2
db:	VULHUB	id:	VHN-157955	Trust: 0.1
db:	VULMON	id:	CVE-2019-6520	Trust: 0.1

sources: IVD: 44ff4a4f-b858-48d2-8216-b32637775bf7 // CNVD: CNVD-2019-06179 // VULHUB: VHN-157955 // VULMON: CVE-2019-6520 // BID: 107178 // JVNDB: JVNDB-2019-002347 // CNNVD: CNNVD-201902-958 // NVD: CVE-2019-6520

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-19-057-01	Trust: 3.6
url:	http://www.securityfocus.com/bid/107178	Trust: 2.5
url:	https://nvd.nist.gov/vuln/detail/cve-2019-6520	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-6520	Trust: 0.8
url:	https://www.us-cert.gov/ics/advisories/icsa-19-057-01	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/76138	Trust: 0.6
url:	http://www.moxastore.com/	Trust: 0.3
url:	https://cwe.mitre.org/data/definitions/.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2019-06179 // VULHUB: VHN-157955 // VULMON: CVE-2019-6520 // BID: 107178 // JVNDB: JVNDB-2019-002347 // CNNVD: CNNVD-201902-958 // NVD: CVE-2019-6520

CREDITS

Ivan B, Sergey Fedonin, and Vyacheslav Moskvin of Positive Technologies Security reported these vulnerabilities to NCCIC.

Trust: 0.6

sources: CNNVD: CNNVD-201902-958

SOURCES

db:	IVD	id:	44ff4a4f-b858-48d2-8216-b32637775bf7
db:	CNVD	id:	CNVD-2019-06179
db:	VULHUB	id:	VHN-157955
db:	VULMON	id:	CVE-2019-6520
db:	BID	id:	107178
db:	JVNDB	id:	JVNDB-2019-002347
db:	CNNVD	id:	CNNVD-201902-958
db:	NVD	id:	CVE-2019-6520

LAST UPDATE DATE

2024-11-23T21:52:28.487000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2019-06179	date:	2019-03-05T00:00:00
db:	VULHUB	id:	VHN-157955	date:	2020-10-19T00:00:00
db:	VULMON	id:	CVE-2019-6520	date:	2020-10-19T00:00:00
db:	BID	id:	107178	date:	2019-02-26T00:00:00
db:	JVNDB	id:	JVNDB-2019-002347	date:	2019-04-08T00:00:00
db:	CNNVD	id:	CNNVD-201902-958	date:	2020-10-27T00:00:00
db:	NVD	id:	CVE-2019-6520	date:	2024-11-21T04:46:37.030

SOURCES RELEASE DATE

db:	IVD	id:	44ff4a4f-b858-48d2-8216-b32637775bf7	date:	2019-03-05T00:00:00
db:	CNVD	id:	CNVD-2019-06179	date:	2019-03-05T00:00:00
db:	VULHUB	id:	VHN-157955	date:	2019-03-05T00:00:00
db:	VULMON	id:	CVE-2019-6520	date:	2019-03-05T00:00:00
db:	BID	id:	107178	date:	2019-02-26T00:00:00
db:	JVNDB	id:	JVNDB-2019-002347	date:	2019-04-08T00:00:00
db:	CNNVD	id:	CNNVD-201902-958	date:	2019-02-26T00:00:00
db:	NVD	id:	CVE-2019-6520	date:	2019-03-05T20:29:00.297