CVE-2021-36276

Dell DBUtilDrv2.sys driver (versions 2.5 and 2.6) contains an insufficient access control vulnerability which may lead to escalation of privileges, denial of service, or information disclosure. Local authenticated user access is required.

CVSS v3 8.8 HIGH
CVSS v2.0 4.6 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver	Patch Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:dell:dbutildrv2.sys_firmware:2.5:::::::*
	cpe:2.3:o:dell:dbutildrv2.sys_firmware:2.6:::::::*

History

21 Nov 2024, 06:13

Type	Values Removed	Values Added
References	() https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver - Patch, Vendor Advisory	() https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver - Patch, Vendor Advisory
CVSS	v2 : ~~4.6~~ v3 : ~~7.8~~	v2 : 4.6 v3 : 8.8

Information

Published : 2021-08-09 21:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36276

Mitre link : CVE-2021-36276

CVE.ORG link : CVE-2021-36276

JSON object : View

Products Affected

dell

dbutildrv2.sys_firmware

CWE

CWE-285

Improper Authorization

NVD-CWE-Other

{"id": "CVE-2021-36276", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/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": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-08-09T21:15:08.330", "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver", "tags": ["Patch", "Vendor Advisory"], "source": "security_alert@emc.com"}, {"url": "https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver", "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-285"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Dell DBUtilDrv2.sys driver (versions 2.5 and 2.6) contains an insufficient access control vulnerability which may lead to escalation of privileges, denial of service, or information disclosure. Local authenticated user access is required."}, {"lang": "es", "value": "El controlador Dell DBUtilDrv2.sys (versiones 2.5 y 2.6) contiene una vulnerabilidad de control de acceso insuficiente que puede conllevar a una escalada de privilegios, una denegaci\u00f3n de servicio o una divulgaci\u00f3n de informaci\u00f3n. Es requerido el acceso de un usuario local autenticado"}], "lastModified": "2024-11-21T06:13:24.430", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:dbutildrv2.sys_firmware:2.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D146190E-F5C6-4748-8E34-0723BF0757A0"}, {"criteria": "cpe:2.3:o:dell:dbutildrv2.sys_firmware:2.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B79DA3C7-4341-4F4B-B902-337635EC916A"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}