Details of VAR-202104-0680

ID

VAR-202104-0680

CVE

CVE-2021-21540

TITLE

Dell EMC iDRAC9 Buffer error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202104-2279

DESCRIPTION

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload. DELL Dell EMC iDRAC9 is a set of system management solutions including hardware and software from Dell (DELL). This solution provides functions such as remote management, crash recovery and power control for Dell PowerEdge systems

Trust: 1.08

sources: NVD: CVE-2021-21540 // VULHUB: VHN-379944 // VULMON: CVE-2021-21540

AFFECTED PRODUCTS

vendor:

dell

model:

idrac9

scope:

version:

4.40.00.00

Trust: 1.0

sources: NVD: CVE-2021-21540

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-21540
value:	HIGH
Trust: 1.0
security_alert@emc.com:	CVE-2021-21540
value:	MEDIUM
Trust: 1.0
CNNVD:	CNNVD-202104-2279
value:	HIGH
Trust: 0.6
VULHUB:	VHN-379944
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2021-21540
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-21540
severity:	MEDIUM
baseScore:	5.5
vectorString:	AV:N/AC:L/AU:S/C:N/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
VULHUB:	VHN-379944
severity:	MEDIUM
baseScore:	5.5
vectorString:	AV:N/AC:L/AU:S/C:N/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-21540
baseSeverity:	HIGH
baseScore:	8.1
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.2
version:	3.1
Trust: 1.0
security_alert@emc.com:	CVE-2021-21540
baseSeverity:	MEDIUM
baseScore:	5.9
vectorString:	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	LOW
exploitabilityScore:	1.6
impactScore:	4.2
version:	3.1
Trust: 1.0

sources: VULHUB: VHN-379944 // VULMON: CVE-2021-21540 // CNNVD: CNNVD-202104-2279 // NVD: CVE-2021-21540 // NVD: CVE-2021-21540

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.1
problemtype:	CWE-121	Trust: 1.0

sources: VULHUB: VHN-379944 // NVD: CVE-2021-21540

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-2279

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202104-2279

PATCH

title:	Dell EMC iDRAC9 Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=149944	Trust: 0.6
title:	-	url:	https://github.com/chnzzh/iDRAC-CVE-lib	Trust: 0.1

sources: VULMON: CVE-2021-21540 // CNNVD: CNNVD-202104-2279

EXTERNAL IDS

db:	NVD	id:	CVE-2021-21540	Trust: 1.8
db:	CNNVD	id:	CNNVD-202104-2279	Trust: 0.6
db:	VULHUB	id:	VHN-379944	Trust: 0.1
db:	VULMON	id:	CVE-2021-21540	Trust: 0.1

sources: VULHUB: VHN-379944 // VULMON: CVE-2021-21540 // CNNVD: CNNVD-202104-2279 // NVD: CVE-2021-21540

REFERENCES

url:	https://www.dell.com/support/kbdoc/000185293	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2021-21540	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://github.com/chnzzh/idrac-cve-lib	Trust: 0.1

sources: VULHUB: VHN-379944 // VULMON: CVE-2021-21540 // CNNVD: CNNVD-202104-2279 // NVD: CVE-2021-21540

SOURCES

db:	VULHUB	id:	VHN-379944
db:	VULMON	id:	CVE-2021-21540
db:	CNNVD	id:	CNNVD-202104-2279
db:	NVD	id:	CVE-2021-21540

LAST UPDATE DATE

2024-08-14T15:42:55.034000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-379944	date:	2022-10-24T00:00:00
db:	VULMON	id:	CVE-2021-21540	date:	2022-10-24T00:00:00
db:	CNNVD	id:	CNNVD-202104-2279	date:	2021-05-11T00:00:00
db:	NVD	id:	CVE-2021-21540	date:	2022-10-24T18:21:03.637

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-379944	date:	2021-04-30T00:00:00
db:	VULMON	id:	CVE-2021-21540	date:	2021-04-30T00:00:00
db:	CNNVD	id:	CNNVD-202104-2279	date:	2021-04-30T00:00:00
db:	NVD	id:	CVE-2021-21540	date:	2021-04-30T21:15:08.740