Details of VAR-202104-0676

ID

VAR-202104-0676

CVE

CVE-2021-21535

TITLE

Dell Hybrid Client Access control error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202104-2286

DESCRIPTION

Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain root level access to the system. DELL Dell Hybrid Client is an application software of Dell (DELL). Provides a client computing software with hybrid cloud management capabilities

Trust: 1.08

sources: NVD: CVE-2021-21535 // VULHUB: VHN-379939 // VULMON: CVE-2021-21535

AFFECTED PRODUCTS

vendor:

dell

model:

hybrid client

scope:

version:

1.5

Trust: 1.0

sources: NVD: CVE-2021-21535

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-21535
value:	HIGH
Trust: 1.0
security_alert@emc.com:	CVE-2021-21535
value:	HIGH
Trust: 1.0
CNNVD:	CNNVD-202104-2286
value:	HIGH
Trust: 0.6
VULHUB:	VHN-379939
value:	HIGH
Trust: 0.1
VULMON:	CVE-2021-21535
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-21535
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
VULHUB:	VHN-379939
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-21535
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
security_alert@emc.com:	CVE-2021-21535
baseSeverity:	HIGH
baseScore:	7.4
vectorString:	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.4
impactScore:	5.9
version:	3.1
Trust: 1.0

sources: VULHUB: VHN-379939 // VULMON: CVE-2021-21535 // CNNVD: CNNVD-202104-2286 // NVD: CVE-2021-21535 // NVD: CVE-2021-21535

PROBLEMTYPE DATA

problemtype:

CWE-306

Trust: 1.1

sources: VULHUB: VHN-379939 // NVD: CVE-2021-21535

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202104-2286

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202104-2286

PATCH

title:	Dell Hybrid Client Fixes for access control error vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=149277	Trust: 0.6
title:	CVE-2021-21535	url:	https://github.com/JamesGeee/CVE-2021-21535	Trust: 0.1

sources: VULMON: CVE-2021-21535 // CNNVD: CNNVD-202104-2286

EXTERNAL IDS

db:	NVD	id:	CVE-2021-21535	Trust: 1.8
db:	CNNVD	id:	CNNVD-202104-2286	Trust: 0.6
db:	CNVD	id:	CNVD-2022-18275	Trust: 0.1
db:	VULHUB	id:	VHN-379939	Trust: 0.1
db:	VULMON	id:	CVE-2021-21535	Trust: 0.1

sources: VULHUB: VHN-379939 // VULMON: CVE-2021-21535 // CNNVD: CNNVD-202104-2286 // NVD: CVE-2021-21535

REFERENCES

url:	https://www.dell.com/support/kbdoc/en-us/000184667/dsa-2021-071-dell-hybrid-client-security-update-for-multiple-vulnerabilities	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2021-21535	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/306.html	Trust: 0.1
url:	https://github.com/jamesgeee/cve-2021-21535	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-379939 // VULMON: CVE-2021-21535 // CNNVD: CNNVD-202104-2286 // NVD: CVE-2021-21535

SOURCES

db:	VULHUB	id:	VHN-379939
db:	VULMON	id:	CVE-2021-21535
db:	CNNVD	id:	CNNVD-202104-2286
db:	NVD	id:	CVE-2021-21535

LAST UPDATE DATE

2024-08-14T14:44:27.147000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-379939	date:	2021-05-06T00:00:00
db:	VULMON	id:	CVE-2021-21535	date:	2021-05-06T00:00:00
db:	CNNVD	id:	CNNVD-202104-2286	date:	2021-05-07T00:00:00
db:	NVD	id:	CVE-2021-21535	date:	2021-05-06T19:46:43.650

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-379939	date:	2021-04-30T00:00:00
db:	VULMON	id:	CVE-2021-21535	date:	2021-04-30T00:00:00
db:	CNNVD	id:	CNNVD-202104-2286	date:	2021-04-30T00:00:00
db:	NVD	id:	CVE-2021-21535	date:	2021-04-30T18:15:07.430