CVE-2021-21539 - Vulnerability Details - OpenCVE

Description

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.

Published: 2021-04-30

Score: 5.9 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Dell

Integrated Dell Remote Access Controller (iDRAC)

affected

Version	Status	Constraints
`unspecified`	affected	< 4.40.00.00

Configuration 1 [-]

cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-8811	Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity High

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00415.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.dell.com/support/kbdoc/000185293

History

No history.

Subscriptions

Dell Idrac9 Firmware

MITRE

Status: PUBLISHED

Assigner: dell

Published: 2021-04-30T20:55:18.417Z

Updated: 2024-09-16T16:58:47.474Z

Reserved: 2021-01-04T00:00:00.000Z

Link: CVE-2021-21539

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-30T21:15:08.707

Modified: 2024-11-21T05:48:33.110

Link: CVE-2021-21539

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-367

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