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CVE-2023-20556

MEDIUMCVSS 5.5/10EPSS 0.25%

Last modified

CVE-2023-20556 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD μProf may allow an authenticated user to send an arbitrary buffer potentially resulting in a Windows crash leading to denial of service. . EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD μProf may allow an authenticated user to send an arbitrary buffer potentially resulting in a Windows crash leading to denial of service.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.25%

15.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AmdAmd Uprof< 4.1.396
AmdAmd Uprof< 4.1-424

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20556?
Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD μProf may allow an authenticated user to send an arbitrary buffer potentially resulting in a Windows crash leading to denial of service.
How severe is CVE-2023-20556?
CVE-2023-20556 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20556?
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-2023-20556?

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

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Source: NVD / NIST