KEV Entry

CVE-2021-21551

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2021-21551

2022-03-31 00:00 UTC

Timestamps

2022-03-31

2022-03-31

Scope

KEV entry: Dell dbutil Driver Insufficient Access Control Vulnerability | Affected: Dell / dbutil Driver | Description: Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service (DoS), or information disclosure. | Required action: Apply updates per vendor instructions. | Due date: 2022-04-21 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-21551

References
  • {'id': 'CVE-2021-21551', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-21551'}

c2e458d5-7e8e-4754-8717-14c549e54bac

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 12:27 UTC

2026-02-06 07:17 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-782"
  ],
  "date_added": "2022-03-31",
  "due_date": "2022-04-21",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "dbutil Driver",
  "vendorProject": "Dell",
  "vulnerabilityName": "Dell dbutil Driver Insufficient Access Control Vulnerability"
}
 -
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