CRITICAL CISA KEV

CVE-2020-1040

CVSS v3

9

CRITICAL

EPSS Score

0.2%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Unknown

Technical details

Published
7/14/2020

Frequently asked questions

What is CVE-2020-1040?

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.

Is CVE-2020-1040 actively exploited?

Yes. CVE-2020-1040 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/3/2022.

What is the CVSS score for CVE-2020-1040?

CVE-2020-1040 has a CVSS v3 base score of 9 (CRITICAL severity).

Is CVE-2020-1040 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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