Vulnerability Details : CVE-2019-0721
A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0719.
Vulnerability category: Input validationExecute code
Products affected by CVE-2019-0721
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-0721
1.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-0721
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
2.3
|
6.0
|
NIST |
CWE ids for CVE-2019-0721
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-0721
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0721
CVE-2019-0721 - Security Update Guide - Microsoft - Hyper-V Remote Code Execution VulnerabilityPatch;Vendor Advisory
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