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CVE-2019-1230

MEDIUMCVSS 6.8/10EPSS 5.42%

Last modified

CVE-2019-1230 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.. EPSS estimates a 5.42% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.

Metrics

CVSS 3.1
6.8/10

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

EPSS Probability
5.42%

91.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 101703
MicrosoftWindows 101709
MicrosoftWindows 101803
MicrosoftWindows 101809
MicrosoftWindows Server 20161803
MicrosoftWindows Server 2019All versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-1230?
An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.
How severe is CVE-2019-1230?
CVE-2019-1230 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 5.42% probability of exploitation in the next 30 days.
How do I fix CVE-2019-1230?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1230?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST