CVE-2024-39707

low-risk
Published 2024-11-14

Insyde IHISI function 0x49 can restore factory defaults for certain UEFI variables without further authentication by default, which could lead to a possible roll-back attack in certain platforms. This is fixed in: kernel 5.2, version 05.29.19; kernel 5.3, version 05.38.19; kernel 5.4, version 05.46.19; kernel 5.5, version 05.54.19; kernel 5.6, version 05.61.19.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
LOCAL / HIGH complexity
19
/ 100
low-risk
Severity 14/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal