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VULNERABILITIES

CVE-2023-27373 Details

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA: CISA-ADPCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.insyde.com/security-pledge/SA-2023035 CVEVendor Advisory
https://www.insyde.com/security-pledge/SA-2023035 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]
CWE-20Improper Input ValidationCISA-ADP

Affected Products

ProductVersions
insyde insydeh2o
5.0
5.1
5.2
5.3
5.4

CPE

  • cpe:2.3:a:insyde:insydeh2o:5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.3:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.4:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.5:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-27373
NVD Published Date:
Aug 7, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-27373 Details - Not Deferred