Details of VAR-202201-1815

ID

VAR-202201-1815

CVE

CVE-2021-46559

TITLE

Moxa TN-5900 Vulnerability in the use of cryptographic algorithms in the firmware running on the device

Trust: 0.8

sources: JVNDB: JVNDB-2021-018128

DESCRIPTION

The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection. Moxa TN-5900 The firmware running on the device contains a cryptographic algorithm usage vulnerability.Information may be tampered with

Trust: 1.62

sources: NVD: CVE-2021-46559 // JVNDB: JVNDB-2021-018128

AFFECTED PRODUCTS

vendor:	moxa	model:	tn-5900	scope:	lte	version:	3.1	Trust: 1.0
vendor:	moxa	model:	tn-5900	scope:	eq	version:	tn-5900 firmware 3.1 to	Trust: 0.8
vendor:	moxa	model:	tn-5900	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-018128 // NVD: CVE-2021-46559

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2021-46559
value:	HIGH
Trust: 1.8
CNNVD:	CNNVD-202201-2440
value:	HIGH
Trust: 0.6

NVD:
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:	FALSE
obtainAllPrivilege:	FALSE
obtainUserPrivilege:	FALSE
obtainOtherPrivilege:	FALSE
userInteractionRequired:	FALSE
version:	2.0
Trust: 1.0
NVD:	CVE-2021-46559
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:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8

NVD:
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-2021-46559
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: JVNDB: JVNDB-2021-018128 // NVD: CVE-2021-46559 // CNNVD: CNNVD-202201-2440

PROBLEMTYPE DATA

problemtype:	CWE-345	Trust: 1.0
problemtype:	Use of incomplete or dangerous cryptographic algorithms (CWE-327) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-018128 // NVD: CVE-2021-46559

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202201-2440

TYPE

encryption problem

Trust: 0.6

sources: CNNVD: CNNVD-202201-2440

CONFIGURATIONS

sources: NVD: CVE-2021-46559

PATCH

title:	TN-5900 Series Secure Routers Vulnerabilities	url:	https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilities	Trust: 0.8
title:	Moxa Tn-5900 Fixes for encryption problem vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=180874	Trust: 0.6

sources: JVNDB: JVNDB-2021-018128 // CNNVD: CNNVD-202201-2440

EXTERNAL IDS

db:	NVD	id:	CVE-2021-46559	Trust: 3.2
db:	JVNDB	id:	JVNDB-2021-018128	Trust: 0.8
db:	CXSECURITY	id:	WLB-2022020008	Trust: 0.6
db:	PACKETSTORM	id:	165786	Trust: 0.6
db:	CNNVD	id:	CNNVD-202201-2440	Trust: 0.6

sources: JVNDB: JVNDB-2021-018128 // NVD: CVE-2021-46559 // CNNVD: CNNVD-202201-2440

REFERENCES

url:	https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilities	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2021-46559	Trust: 1.4
url:	https://packetstormsecurity.com/files/165786/moxa-tn-5900-firmware-upgrade-checksum-validation.html	Trust: 0.6
url:	https://cxsecurity.com/issue/wlb-2022020008	Trust: 0.6

sources: JVNDB: JVNDB-2021-018128 // NVD: CVE-2021-46559 // CNNVD: CNNVD-202201-2440

CREDITS

Matthew Bergin

Trust: 0.6

sources: CNNVD: CNNVD-202201-2440

SOURCES

db:	JVNDB	id:	JVNDB-2021-018128
db:	NVD	id:	CVE-2021-46559
db:	CNNVD	id:	CNNVD-202201-2440

LAST UPDATE DATE

2023-12-18T12:15:59.067000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2021-018128	date:	2023-03-31T09:06:00
db:	NVD	id:	CVE-2021-46559	date:	2023-08-08T14:22:24.967
db:	CNNVD	id:	CNNVD-202201-2440	date:	2022-02-09T00:00:00

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2021-018128	date:	2023-03-31T00:00:00
db:	NVD	id:	CVE-2021-46559	date:	2022-01-26T02:15:07.317
db:	CNNVD	id:	CNNVD-202201-2440	date:	2022-01-26T00:00:00