PT-2024-11958 · Unknown · System Management Mode

Published 2024-02-13 · Updated 2024-02-14 · CVE-2023-20587

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions System Management Mode (SMM) (affected versions not specified)

Description The issue is related to improper access control in System Management Mode (SMM), which may allow an attacker to access the SPI flash, potentially leading to arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2023-20587

Affected Products

System Management Mode

References · 7

• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-7009 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20587 · Security Note
• https://twitter.com/FFOMine/status/1758001716803297609 · Twitter Post
• https://twitter.com/the_yellow_fall/status/1757657180403282025 · Twitter Post
• https://twitter.com/fletch_ai/status/1757979814558842895 · Twitter Post
• https://twitter.com/CVEnew/status/1757492934578942393 · Twitter Post
• https://twitter.com/friend_of_apple/status/1758001467535835311 · Twitter Post