CVE-2021-36276

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

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 denegación de servicio o una divulgación de información. Es requerido el acceso de un usuario local autenticado

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-08 CVE Reserved
2021-08-09 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-285: Improper Authorization

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
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	2022-04-25

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dell Search vendor "Dell"		Dbutildrv2.sys Firmware Search vendor "Dell" for product "Dbutildrv2.sys Firmware"				2.5 Search vendor "Dell" for product "Dbutildrv2.sys Firmware" and version "2.5"		-		Affected
Dell Search vendor "Dell"		Dbutildrv2.sys Firmware Search vendor "Dell" for product "Dbutildrv2.sys Firmware"				2.6 Search vendor "Dell" for product "Dbutildrv2.sys Firmware" and version "2.6"		-		Affected