CVE-2021-21551

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.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html	Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.html	Exploit Third Party Advisory VDB Entry
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:dell:dbutil_2_3.sys:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-05-04 16:15

Updated : 2024-07-09 18:27

NVD link : CVE-2021-21551

Mitre link : CVE-2021-21551

CVE.ORG link : CVE-2021-21551

JSON object : View

Products Affected

dell

dbutil_2_3.sys

CWE

NVD-CWE-Other CWE-782

Exposed IOCTL with Insufficient Access Control

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