What is the CVSS score of CVE-2021-1669?

CVE-2021-1669 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.0%.

Remote Desktop CVE-2021-1669

HIGH

2021-01-12 secure@microsoft.com

Microsoft Authentication Bypass Remote Desktop Remote Desktop Client Windows 10 Windows Server 2016 Windows Server 2019

8.8

CVSS 3.1 · Vendor: microsoft

Severity by source

Vendor (microsoft) PRIMARY

8.8 HIGH

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

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

CVSS VectorVendor: microsoft

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jan 12, 2021 - 20:15 cve.org

HIGH 8.8

DescriptionCVE.org

Windows Remote Desktop Security Feature Bypass Vulnerability

AnalysisAI

Windows Remote Desktop Security Feature Bypass Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

Affected products include: Microsoft Remote Desktop, Microsoft Remote Desktop Client, Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.