CVE-2021-21551

KEV
Published: Mag 04, 2021 Last Modified: Ott 28, 2025
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 4,6
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,7192
Percentile
1,0th
Updated

EPSS Score Trend (Last 91 Days)

782

Exposed IOCTL with Insufficient Access Control

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Varies By Context
Applicable Platforms
Languages: C, C++
Operating Systems: Unix, Windows
View CWE Details
Exploit

DELL dbutil_2_3.sys 2.3 - Arbitrary Write to Local …

DELL dbutil_2_3.sys 2.3 - Arbitrary Write to Local Privilege Escalation (LPE)

Author: Paolo Stagno Published:
View Exploit Code →
Application

Dbutil by Dell

Product Information
Vendor Dell
Product Dbutil
Version Range Affected
To 2.3 (inclusive)
cpe:2.3:a:dell:dbutil:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3…
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Re…
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3…
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-W…
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021…
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-pla…
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3…
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Re…
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3…
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-W…
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021…
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-pla…