CVE-2021-21538

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.

CVSS v3 9.6 CRITICAL
CVSS v2.0 7.5 HIGH

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope CHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.dell.com/support/kbdoc/000186420	Patch Vendor Advisory
https://www.dell.com/support/kbdoc/000186420	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:48

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~10.0~~	v2 : 7.5 v3 : 9.6
References	~~() https://www.dell.com/support/kbdoc/000186420 - Patch, Vendor Advisory~~	() https://www.dell.com/support/kbdoc/000186420 - Patch, Vendor Advisory

06 Aug 2021, 16:31

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 10.0
References	~~(CONFIRM) https://www.dell.com/support/kbdoc/000186420 -~~	(CONFIRM) https://www.dell.com/support/kbdoc/000186420 - Patch, Vendor Advisory
CWE		CWE-287
CPE		cpe:2.3:o:dell:idrac9_firmware::::::::

29 Jul 2021, 16:31

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-29 16:15

Updated : 2024-11-21 05:48

NVD link : CVE-2021-21538

Mitre link : CVE-2021-21538

CVE.ORG link : CVE-2021-21538

JSON object : View

Products Affected

dell

idrac9_firmware

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-21538", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}]}, "published": "2021-07-29T16:15:08.693", "references": [{"url": "https://www.dell.com/support/kbdoc/000186420", "tags": ["Patch", "Vendor Advisory"], "source": "security_alert@emc.com"}, {"url": "https://www.dell.com/support/kbdoc/000186420", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-287"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "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"}], "lastModified": "2024-11-21T05:48:32.987", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33E8B56C-2459-4416-9AD7-E450D0A33222", "versionEndExcluding": "4.40.10.00", "versionStartIncluding": "4.40.00.00"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}