What’s Vulnerable › Vulnerabilities
CVE-2023-27471
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-08-18 · updated 2026-06-17
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable. On some systems, this variable can be overwritten using operating system APIs. Exploitation of this vulnerability could potentially lead to denial of service for the platform.
Affected products
- Insydeh2O: 5.0, 5.1, 5.2, 5.3, 5.4, 5.5
References
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