Details of VAR-202004-1870

ID

VAR-202004-1870

CVE

CVE-2020-9275

TITLE

D-Link DSL-2640B B2 Inadequate protection of credentials on devices

Trust: 0.8

sources: JVNDB: JVNDB-2020-004757

DESCRIPTION

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. A cfm UDP service listening on port 65002 allows remote, unauthenticated exfiltration of administrative credentials. D-Link DSL-2640B B2 Devices contain vulnerabilities in insufficient protection of credentials.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. D-Link DSL-2640B B2 is a wireless router from D-Link, Taiwan. Attackers can use this vulnerability to obtain management credentials

Trust: 2.16

sources: NVD: CVE-2020-9275 // JVNDB: JVNDB-2020-004757 // CNVD: CNVD-2020-27249

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-27249

AFFECTED PRODUCTS

vendor:	dlink	model:	dsl-2640b	scope:	eq	version:	eu_4.01b	Trust: 1.0
vendor:	d link	model:	dsl-2640b	scope:	eq	version:	eu_4.01b	Trust: 0.8
vendor:	d link	model:	dsl-2640b b2 eu 4.01b	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2020-27249 // JVNDB: JVNDB-2020-004757 // NVD: CVE-2020-9275

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-9275
value:	CRITICAL
Trust: 1.0
NVD:	JVNDB-2020-004757
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2020-27249
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-1666
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2020-9275
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
NVD:	JVNDB-2020-004757
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:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2020-27249
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-2020-9275
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:	JVNDB-2020-004757
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-2020-27249 // JVNDB: JVNDB-2020-004757 // CNNVD: CNNVD-202004-1666 // NVD: CVE-2020-9275

PROBLEMTYPE DATA

problemtype:	CWE-306	Trust: 1.0
problemtype:	CWE-522	Trust: 0.8

sources: JVNDB: JVNDB-2020-004757 // NVD: CVE-2020-9275

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202004-1666

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202004-1666

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-004757

PATCH

title:

Security Bulletin

url:

https://www.dlink.com/en/security-bulletin

Trust: 0.8

sources: JVNDB: JVNDB-2020-004757

EXTERNAL IDS

db:	NVD	id:	CVE-2020-9275	Trust: 3.0
db:	JVNDB	id:	JVNDB-2020-004757	Trust: 0.8
db:	CNVD	id:	CNVD-2020-27249	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-1666	Trust: 0.6

sources: CNVD: CNVD-2020-27249 // JVNDB: JVNDB-2020-004757 // CNNVD: CNNVD-202004-1666 // NVD: CVE-2020-9275

REFERENCES

url:	https://raelize.com/posts/d-link-dsl-2640b-security-advisories/	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2020-9275	Trust: 2.0
url:	https://raelize.com/advisories/cve-2020-9275_d-link-dsl-2640b_remote-credentials-exfiltration_v1.0.txt	Trust: 1.6
url:	https://www.dlink.com/en/security-bulletin	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-9275	Trust: 0.8

sources: CNVD: CNVD-2020-27249 // JVNDB: JVNDB-2020-004757 // CNNVD: CNNVD-202004-1666 // NVD: CVE-2020-9275

SOURCES

db:	CNVD	id:	CNVD-2020-27249
db:	JVNDB	id:	JVNDB-2020-004757
db:	CNNVD	id:	CNNVD-202004-1666
db:	NVD	id:	CVE-2020-9275

LAST UPDATE DATE

2024-11-23T22:37:24.534000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-27249	date:	2020-05-09T00:00:00
db:	JVNDB	id:	JVNDB-2020-004757	date:	2020-05-27T00:00:00
db:	CNNVD	id:	CNNVD-202004-1666	date:	2020-04-29T00:00:00
db:	NVD	id:	CVE-2020-9275	date:	2024-11-21T05:40:20.077

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-27249	date:	2020-05-09T00:00:00
db:	JVNDB	id:	JVNDB-2020-004757	date:	2020-05-27T00:00:00
db:	CNNVD	id:	CNNVD-202004-1666	date:	2020-04-20T00:00:00
db:	NVD	id:	CVE-2020-9275	date:	2020-04-20T23:15:12.550