All vulnerabilities
CVE-2021-21551

Dell dbutil Driver Insufficient Access Control Vulnerability

Dell dbutil Driver
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 31 Mar 2022CISA KEV
Exploit odds (EPSS)80.1%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline21 Apr 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 4 May 2021Exploit code publicMetasploit
  2. 4 May 2021, 15:15 UTCPublishedCVE List
  3. 31 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleDell DBUtil_2_3.sys IOCTL memmove 4 May 2021Metasploit
  • Local exploitDELL dbutil_2_3.sys 2.3 - Arbitrary Write to Local Privilege Escalation (LPE) 21 May 2021Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service (DoS), or information disclosure.

Text from CVE List

Affected versions 1

  • dbutilaffected: 2.3CVE List

References 3