ZeroDay Findings
Sign inSign up

Findings

Vulnerability · CVE-2021-36276

Dell dbutildrv2.sys_firmware Improper Authorization

Published Apr 7, 2025 · corrected/updated Apr 7, 2025 · Dell dbutildrv2.sys_firmware · evidence confidence very high

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.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2021-36276 is a unknown public vulnerability record for Dell dbutildrv2.sys_firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Dell dbutildrv2.sys_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Dell dbutildrv2.sys_firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Apr 7, 2025. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2025 · VulnCheck KEV

    Detected

    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.

  2. Apr 7, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor Dell dbutildrv2.sys_firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2021-36276

    Official CVE identifier

    cve.org
  • VulnCheck KEVConfirmed exploitationCVE-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.

    vulncheck.com

References