Vulnerability Details : CVE-2022-36338

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.
Published 2022-09-23 18:15:11
Updated 2022-09-27 05:01:18
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-36338

EPSS FAQ
0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-36338

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.2
 HIGH CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
1.5
6.0
 NIST

References for CVE-2022-36338

Products affected by CVE-2022-36338

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