What is the CVSS score of CVE-2021-42304?

CVE-2021-42304 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H. EPSS exploitation probability: 0.6%.

Is there a patch available for CVE-2021-42304?

Yes, a patch is available for CVE-2021-42304. Update the affected software to the latest version immediately.

Azure Real Time Operating System CVE-2021-42304

MEDIUM

Improper Privilege Management (CWE-269)

2021-11-10 secure@microsoft.com

Microsoft Privilege Escalation Azure Real Time Operating System

6.6

CVSS 3.1 · Vendor: microsoft

Severity by source

Vendor (microsoft) PRIMARY

6.6 MEDIUM

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

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Lifecycle Timeline

CVE Published

Nov 10, 2021 - 01:19 cve.org

MEDIUM 6.6

DescriptionCVE.org

Azure RTOS Elevation of Privilege Vulnerability

AnalysisAI

Azure RTOS Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is no authentication required, low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Affected products include: Microsoft Azure Real Time Operating System.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply principle of least privilege, validate privilege transitions, implement proper role separation.