CVE-2022-35407
highpriority · track · 31EPSS 0.002 · 16 %ileDEEUUSEPSS · scored 2026-10-28
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow leads to arbitrary code execution in the SetupUtility driver on Intel platforms. An attacker can change the values of certain UEFI variables. If the size of the second variable exceeds the size of the first, then the buffer will be overwritten. This issue affects the SetupUtility driver of InsydeH2O.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2412ARM-basierte HP-Computer mit InsydeH2O-UEFI-Firmware: Schwachstelle ermöglicht CodeausführungDeutsch2025-10-26csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in der InsydeH2O-UEFI-Firmware ausnutzen, die in bestimmten ARM-basierten HP-Computern verwendet wird, um beliebigen Code auszuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-35407/cnnvd
- https://www.insyde.com/security-pledgecnnvd
- https://www.insyde.com/security-pledge/SA-2022040cnnvd
- https://www.insyde.com/security-pledgeenisa_euvd
- https://www.insyde.com/security-pledge/SA-2022040enisa_euvd
- https://www.insyde.com/security-pledgeVendor Advisorynvd
- https://www.insyde.com/security-pledge/SA-2022040Vendor Advisorynvd
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