Unrated severityCISA KEVNVD Advisory· Published May 4, 2021· Updated Oct 21, 2025
CVE-2021-21551
CVE-2021-21551
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Dell/dbutilv5Range: 2.3
Patches
Vulnerability mechanics
References
3- packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.htmlmitrex_refsource_MISC
- packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.htmlmitrex_refsource_MISC
- www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerabilitymitrex_refsource_MISC
News mentions
0No linked articles in our index yet.