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CVE Record

CVE-2021-36300: iDRAC9 versions prior to 5.00.00.00 contain an improper input validation vulnerability.

iDRAC9 versions prior to 5.00.00.00 contain an improper input validation vulnerability. An unauthenticated remote attacker may potentially exploit this vulnerability by sending a specially crafted malicious request to crash the webserver or cause information disclosure.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This vulnerability affects Dell iDRAC9 management controllers before version 5.00.00.00. A remote unauthenticated attacker could send a malicious request that crashes the iDRAC webserver or exposes information. The business risk is highest where server management interfaces are reachable from untrusted networks.

Executive priority

Treat this as a moderate-priority management-plane issue. It does not have confirmed active exploitation in the provided sources, but exposed iDRAC interfaces can affect sensitive server administration and should be updated or isolated promptly.

Technical view

CVE-2021-36300 is an improper input validation issue in Dell iDRAC9 before 5.00.00.00, mapped to CWE-89. The CVSS 3.1 score is 6.5, with network attack vector, no privileges, no user interaction, high confidentiality impact, and low availability impact.

Likely exposure

Organizations using Dell servers with iDRAC9 firmware earlier than 5.00.00.00 may be exposed, especially if the iDRAC web interface is reachable by unauthenticated remote users.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation is described as requiring a specially crafted malicious request, with high attack complexity.

Researcher notes

Evidence is limited to the CVE description and Dell reference. The record states unauthenticated remote impact and version boundary, but does not provide exploit details, affected hardware models, or operational indicators.

Mitigation direction

  • Identify Dell iDRAC9 instances and record firmware versions.
  • Prioritize iDRAC9 systems running versions earlier than 5.00.00.00.
  • Check Dell advisory guidance before applying firmware updates.
  • Upgrade affected iDRAC9 firmware to 5.00.00.00 or later if confirmed applicable.
  • Restrict iDRAC management access to trusted administrative networks.

Validation and detection

  • Inventory reachable iDRAC9 web management interfaces.
  • Verify firmware version on each iDRAC9 controller.
  • Confirm whether any instance runs below 5.00.00.00.
  • Review logs for unexplained iDRAC webserver crashes or unusual requests.
  • Document update status and remaining exceptions.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-89: Database access and collection lookup

Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-36300 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L2.24.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2021-36300Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
DellIntegrated Dell Remote Access Controller (iDRAC)unspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-89 · source CWE mapping

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.