CVE-2021-21538
CRITICAL
10
CVSS Score
Published: July 29, 2021 at 03:55 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
2 products affected across 1 vendorIDRAC9 FirmwareIntegrated Dell Remote Access Controller (iDRAC)
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Severity
CRITICAL10
Exploit prediction
EPSS 1%
Description
Dell EMC iDRAC9 versions 4.40.00.00 and later, but prior to 4.40.10.00, contain an improper authentication vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain access to the virtual console.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4.40.00.00 ≤ v < 4.40.10.00
Affected range stops below 4.40.10.00, so it looks safe — our inference, not a vendor statement
v < 4.40.10.00
Affected range stops below 4.40.10.00, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.dell.com/support/kbdoc/000186420CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-287
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