CVE-2021-21538 - Vulnerability Details - OpenCVE

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.

Published: 2021-07-29

Score: 9.6 Critical

EPSS: 1.6% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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	< 4.40.10.00

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-8810	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01553.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.dell.com/support/kbdoc/000186420

History

No history.

Subscriptions

Dell Idrac9 Firmware

MITRE

Status: PUBLISHED

Assigner: dell

Published: 2021-07-29T15:55:17.320Z

Updated: 2024-09-17T01:07:08.122Z

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

Link: CVE-2021-21538

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-29T16:15:08.693

Modified: 2024-11-21T05:48:32.987

Link: CVE-2021-21538

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287

{"containers": {"cna": {"affected": [{"product": "Integrated Dell Remote Access Controller (iDRAC)", "vendor": "Dell", "versions": [{"lessThan": "4.40.10.00", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-05-10T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "CWE-287: Improper Authentication", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-07-29T15:55:17.000Z", "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.dell.com/support/kbdoc/000186420"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secure@dell.com", "DATE_PUBLIC": "2021-05-10", "ID": "CVE-2021-21538", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Integrated Dell Remote Access Controller (iDRAC)", "version": {"version_data": [{"version_affected": "<", "version_value": "4.40.10.00"}]}}]}, "vendor_name": "Dell"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "impact": {"cvss": {"baseScore": 9.6, "baseSeverity": "Critical", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-287: Improper Authentication"}]}]}, "references": {"reference_data": [{"name": "https://www.dell.com/support/kbdoc/000186420", "refsource": "MISC", "url": "https://www.dell.com/support/kbdoc/000186420"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:16:22.983Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.dell.com/support/kbdoc/000186420"}]}]}, "cveMetadata": {"assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "assignerShortName": "dell", "cveId": "CVE-2021-21538", "datePublished": "2021-07-29T15:55:17.320Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-09-17T01:07:08.122Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "33E8B56C-2459-4416-9AD7-E450D0A33222", "versionEndExcluding": "4.40.10.00", "versionStartIncluding": "4.40.00.00", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Dell EMC iDRAC9 versiones 4.40.00.00 y posteriores, pero anteriores a 4.40.10.00, contienen una vulnerabilidad de autenticaci\u00f3n inapropiada. Un atacante no autenticado remoto podr\u00eda explotar potencialmente esta vulnerabilidad para conseguir acceso a la consola virtual"}], "id": "CVE-2021-21538", "lastModified": "2024-11-21T05:48:32.987", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "security_alert@emc.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-29T16:15:08.693", "references": [{"source": "security_alert@emc.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.dell.com/support/kbdoc/000186420"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.dell.com/support/kbdoc/000186420"}], "sourceIdentifier": "security_alert@emc.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security_alert@emc.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}