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    CVE-2021-21544

    Dell EMC iDRAC9 versions prior to 4.40.00.00 contain an improper authentication vulnerability. A remote authenticated malicious user with high privileges could potentially exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.

    Published:Apr 30, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 30, 2021
    EPSS Score:0.00214
    CVSS Score:2.7

    Affected Products

    Vendor
    Dell
    Product
    Idrac9 Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-151 Identity Spoofing
    CAPEC-162 Manipulating Hidden Fields
    CAPEC-194 Fake the Source of Data
    CAPEC-202 Create Malicious Client
    CAPEC-207 Removing Important Client Functionality
    CAPEC-208 Removing/short-circuiting 'Purse' logic: removing/mutating 'cash' decrements
    CAPEC-21 Exploitation of Trusted Identifiers
    CAPEC-22 Exploiting Trust in Client
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-383 Harvesting Information via API Event Monitoring
    CAPEC-384 Application API Message Manipulation via Man-in-the-Middle
    CAPEC-385 Transaction or Event Tampering via Application API Manipulation
    CAPEC-386 Application API Navigation Remapping
    CAPEC-387 Navigation Remapping To Propagate Malicious Content
    CAPEC-388 Application API Button Hijacking
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-593 Session Hijacking
    CAPEC-633 Token Impersonation
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

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    CVE-2022-34435 (CVSS 2.7) — Dell iDRAC9 version 6.00.02.00 and prior contain an improper input validation vulnerability in Racadm when th…
    CVE-2021-21538 (CVSS 9.6) — Dell EMC iDRAC9 versions 4.40.00.00 and later, but prior to 4.40.10.00, contain an improper authentication vul…
    CVE-2021-21543 (CVSS 4.8) — Dell EMC iDRAC9 versions prior to 4.40.00.00 contain multiple stored cross-site scripting vulnerabilities. A r…
    CVE-2021-21542 (CVSS 4.8) — Dell EMC iDRAC9 versions prior to 4.40.10.00 contain multiple stored cross-site scripting vulnerabilities. A r…
    CVE-2021-21541 (CVSS 6.1) — Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a DOM-based cross-site scripting vulnerability. A remote …
    CVE-2021-21540 (CVSS 5.9) — Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authentica…
    CVE-2021-21539 (CVSS 5.9) — Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulne…
    CVE-2020-26198 (CVSS 6.1) — Dell EMC iDRAC9 versions prior to 4.32.10.00 and 4.40.00.00 contain a reflected cross-site scripting vulnerabi…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High