CVE-2021-21551
Summary
| CVE | CVE-2021-21551 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-05-04 16:15:00 UTC |
| Updated | 2023-10-05 06:15:00 UTC |
| 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. |
Risk And Classification
EPSS: 0.696300000 probability, percentile 0.986590000 (date 2026-04-12)
CISA KEV: Listed on 2022-03-31; due 2022-04-21; ransomware use Unknown
Problem Types: CWE-782
CISA Known Exploited Vulnerability
| Vendor | Dell |
|---|---|
| Product | dbutil Driver |
| Name | Dell dbutil Driver Insufficient Access Control Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2021-21551 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Dell | Dbutil 2 3.sys | - | All | All | All |
| Application | Dell | Debutil 2 3.sys | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| DELL dbutil_2_3.sys 2.3 Arbitrary Write / Privilege Escalation ≈ Packet Storm | MISC | packetstormsecurity.com | |
| Access Denied | MISC | www.dell.com | |
| Dell DBUtil_2_3.sys IOCTL Memory Read / Write ≈ Packet Storm | MISC | packetstormsecurity.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.