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CVE-2023-31313

HIGHCVSS 7.2/10EPSS 0.10%

Last modified

CVE-2023-31313 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
0.10%

1.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-31313?
An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.
How severe is CVE-2023-31313?
CVE-2023-31313 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31313?
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-2023-31313?

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

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Source: NVD / NIST