What is the CVSS score of CVE-2021-21552?

CVE-2021-21552 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Is there a patch available for CVE-2021-21552?

Yes, a patch is available for CVE-2021-21552. Update the affected software to the latest version immediately.

Windows 10 CVE-2021-21552

HIGH

Incorrect Authorization (CWE-863)

2021-05-21 security_alert@emc.com

Dell Microsoft Authentication Bypass Windows 10

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 21, 2021 - 20:15 nvd

HIGH 8.8

DescriptionNVD

Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability. A local authenticated malicious user with low privileges may potentially exploit this vulnerability to bypass the restricted environment and perform unauthorized actions on the affected system.

AnalysisAI

Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability. A local authenticated malicious user with low privileges may potentially exploit this vulnerability to bypass the restricted environment and perform unauthorized actions on the affected system. Affected products include: Microsoft Windows 10.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.