CVE-2023-28149

CVE-2023-28149 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

An issue was discovered in the IhisiServiceSmm module in Insyde InsydeH2O with kernel 5.2 before 05.28.42, 5.3 before 05.37.42, 5.4 before 05.45.39, 5.5 before 05.53.39, and 5.6 before 05.60.39 that could allow an attacker to modify UEFI variables.

Frequently asked questions

What is CVE-2023-28149?
An issue was discovered in the IhisiServiceSmm module in Insyde InsydeH2O with kernel 5.2 before 05.28.42, 5.3 before 05.37.42, 5.4 before 05.45.39, 5.5 before 05.53.39, and 5.6 before 05.60.39 that could allow an attacker to modify UEFI variables.
How severe is CVE-2023-28149?
CVE-2023-28149 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2023-28149 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-28149?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-28149 have an EU (EUVD) identifier?
Yes. CVE-2023-28149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31860.
When was CVE-2023-28149 published?
CVE-2023-28149 was published on 2024-07-31 and last updated on 2026-06-17.

References