Is CVE-2024-55567 actively exploited?

No active exploitation of CVE-2024-55567 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-55567 be exploited remotely?

No. CVE-2024-55567 requires local access to exploit.

What is the CVSS score of CVE-2024-55567?

CVE-2024-55567 has a CVSS score of 6.7 (MEDIUM).

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MEDIUM

CVE-2024-55567

CWE-20Published: June 12, 2025· Updated: Jun 17, 2026

6.7

CVSS v3.1

Official Description

Improper input validation was discovered in UsbCoreDxe in Insyde InsydeH2O kernel 5.4 before 05.47.01, 5.5 before 05.55.01, 5.6 before 05.62.01, and 5.7 before 05.71.01. The SMM module has an SMM call out vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

NVD Source

Technical Analysis

CVE-2024-55567 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.7.