CVE-2021-21540

CVSS V2 Medium 5.5 CVSS V3 High 8.1

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.

Overview

CVE ID
CVE-2021-21540

Assigner
security_alert@emc.com

Vulnerability Status
Analyzed

Published Version
2021-04-30T21:15:08

Last Modified Date
2022-10-24T18:21:03

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:dell:idrac9_firmware::::::::	1	OR		4.40.00.00

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:N/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
5.5

Severity
MEDIUM

Exploitability Score
8

Impact Score
4.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
8.1

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.2

References

Reference URL	Reference Tags
https://www.dell.com/support/kbdoc/000185293	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21540
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21540

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:16:34				Added to TrackCVE
2022-12-05 01:24:17	secure@dell.com	security_alert@emc.com	CVE Assigner	updated
2022-12-05 01:24:17	2021-04-30T21:15Z	2021-04-30T21:15:08	CVE Published Date	updated
2022-12-05 01:24:17		2022-10-24T18:21:03	CVE Modified Date	updated
2022-12-05 01:24:17		Analyzed	Vulnerability Status	updated