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CVE-2021-21551: Dell dbutil Driver Insufficient Access Control Vulnerability

criticalknown exploitedpublic exploitCVE-2021-21551
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service (DoS), or information disclosure.

CSIRTS triage

vendor: Dellproduct: dbutil DriverPrivilege escalationDenial of serviceInformation disclosure
What
Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service (DoS), or information disclosure.
Who is affected
Users of the Dell dbutil driver are affected.
Urgency
Immediate action is required as the vulnerability is actively exploited and classified as critical.
Action
Apply the latest driver update from Dell to mitigate this issue.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-31
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-21551

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-21551coverage & exploitation statusNVD · CVE.org

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