CVE-2021-21551: Dell dbutil Driver Insufficient Access Control Vulnerability
High · CVSS 8.8 (CVSS 3.1)KEV known exploitedEPSS 79.6%, 100th percentilePublished Updated Assigner: dell
In CISA’s Known Exploited Vulnerabilities catalog: Dell dbutil Driver Insufficient Access Control Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
Dell dbutil_2_3.sys driver 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.
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · CWE-782
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Dell: dbutil
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html (opens in new tab)
- packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escala… (opens in new tab)
- www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-secur… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)