CVE-2024-55567

MEDIUM EPSS 3.3%
Published Jun 12, 20251y ago · Modified Jun 17, 20261w ago
6.7 CVSS 3.1
Medium
Find Similar
Published Jun 12, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.7
Exploitability
0.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
3.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 4

VendorProductVersionRange
insydeinsydeh2o*≥5.4  –  <5.4.05.47.01
insydeinsydeh2o*≥5.5  –  <5.5.05.55.01
insydeinsydeh2o*≥5.6  –  <5.6.05.62.01
insydeinsydeh2o*≥5.7  –  <5.7.05.71.01

References 1

  • insyde.com https://www.insyde.com/security-pledge/sa-2024018/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.