What is CVE-2022-36338?

CVE-2022-36338 is a high-severity vulnerability in Insyde Insydeh2o. CVSS score: 8.2/10. Published 2022-09-23.

How severe is CVE-2022-36338?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Insyde Insydeh2o

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 boo…

EPSS: 0.004 (32.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Insyde Insydeh2o
N/a — versions n/a

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-36338?: CVE-2022-36338 is a high-severity vulnerability in Insyde Insydeh2o. CVSS score: 8.2/10. Published 2022-09-23.
How severe is CVE-2022-36338?: High severity. CVSS v3 base score is 8.2 out of 10.