Details of VAR-202111-1130

ID

VAR-202111-1130

CVE

CVE-2021-36320

TITLE

Dell Networking X-Series Insufficient Entropy Vulnerability in Firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-015277

DESCRIPTION

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID. Dell Networking X-Series Firmware has an entropy deficiency vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Dell Networking X-Series is a series of intelligent network management switches from Dell (Dell) in the United States

Trust: 2.16

sources: NVD: CVE-2021-36320 // JVNDB: JVNDB-2021-015277 // CNVD: CNVD-2021-92440

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-92440

AFFECTED PRODUCTS

vendor:	dell	model:	x4012	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1008p	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1018	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1018p	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1052p	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1008	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1052	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1026	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	dell	model:	x1026p	scope:	lt	version:	3.0.1.8	Trust: 1.0
vendor:	デル	model:	x1026	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1008	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1018	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1018p	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1026p	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1052p	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x4012	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1008p	scope:	-	version:	-	Trust: 0.8
vendor:	デル	model:	x1052	scope:	-	version:	-	Trust: 0.8
vendor:	dell	model:	networking x-series	scope:	lt	version:	3.0.1.8	Trust: 0.6

sources: CNVD: CNVD-2021-92440 // JVNDB: JVNDB-2021-015277 // NVD: CVE-2021-36320

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-36320
value:	CRITICAL
Trust: 1.0
security_alert@emc.com:	CVE-2021-36320
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-36320
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-92440
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202111-1691
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2021-36320
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2021-92440
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-36320
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
security_alert@emc.com:	CVE-2021-36320
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.6
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2021-36320
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-2021-92440 // JVNDB: JVNDB-2021-015277 // CNNVD: CNNVD-202111-1691 // NVD: CVE-2021-36320 // NVD: CVE-2021-36320

PROBLEMTYPE DATA

problemtype:	CWE-331	Trust: 1.0
problemtype:	Lack of entropy (CWE-331) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-015277 // NVD: CVE-2021-36320

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202111-1691

TYPE

security feature problem

Trust: 0.6

sources: CNNVD: CNNVD-202111-1691

PATCH

title:	DSA-2021-191	url:	https://www.dell.com/support/kbdoc/ja-jp/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities	Trust: 0.8
title:	Patch for Dell Networking X-Series authentication bypass vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/301511	Trust: 0.6
title:	Dell Networking X-Series Fixing measures for security feature vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=172497	Trust: 0.6

sources: CNVD: CNVD-2021-92440 // JVNDB: JVNDB-2021-015277 // CNNVD: CNNVD-202111-1691

EXTERNAL IDS

db:	NVD	id:	CVE-2021-36320	Trust: 3.8
db:	JVNDB	id:	JVNDB-2021-015277	Trust: 0.8
db:	CNVD	id:	CNVD-2021-92440	Trust: 0.6
db:	CNNVD	id:	CNNVD-202111-1691	Trust: 0.6

sources: CNVD: CNVD-2021-92440 // JVNDB: JVNDB-2021-015277 // CNNVD: CNNVD-202111-1691 // NVD: CVE-2021-36320

REFERENCES

url:	https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities	Trust: 2.2
url:	https://nvd.nist.gov/vuln/detail/cve-2021-36320	Trust: 1.4

sources: CNVD: CNVD-2021-92440 // JVNDB: JVNDB-2021-015277 // CNNVD: CNNVD-202111-1691 // NVD: CVE-2021-36320

SOURCES

db:	CNVD	id:	CNVD-2021-92440
db:	JVNDB	id:	JVNDB-2021-015277
db:	CNNVD	id:	CNNVD-202111-1691
db:	NVD	id:	CVE-2021-36320

LAST UPDATE DATE

2024-08-14T15:27:34.416000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-92440	date:	2021-11-30T00:00:00
db:	JVNDB	id:	JVNDB-2021-015277	date:	2022-11-15T02:42:00
db:	CNNVD	id:	CNNVD-202111-1691	date:	2021-12-02T00:00:00
db:	NVD	id:	CVE-2021-36320	date:	2021-11-23T13:58:32.640

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-92440	date:	2021-11-30T00:00:00
db:	JVNDB	id:	JVNDB-2021-015277	date:	2022-11-15T00:00:00
db:	CNNVD	id:	CNNVD-202111-1691	date:	2021-11-20T00:00:00
db:	NVD	id:	CVE-2021-36320	date:	2021-11-20T02:15:07.387