CVE-2023-20587

HIGHCVSS 7.1/10EPSS 0.17%

Last modified

CVE-2023-20587 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution. . EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.

Metrics

CVSS 3.1
7.1/10

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

EPSS Probability
0.17%

6.9th 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-2023-20587?
Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.
How severe is CVE-2023-20587?
CVE-2023-20587 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20587?
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-2023-20587?

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

Scan your code now

Source: NVD / NIST