What is CVE-2022-40261?

CVE-2022-40261 is a high-severity vulnerability in Ami Aptio, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.2/10. Published 2022-09-20.

How severe is CVE-2022-40261?

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

Buffer overflow in Ami Aptio

CVE-2022-40261

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system (OS) and completely isolated from it. Running…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.3th 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

Ami Aptio — versions 5.x
Ami Aptio_v — versions 5.0
Intel Nuc_m15_laptop_kit_lapbc510
Intel Nuc_m15_laptop_kit_lapbc510_firmware
Intel Nuc_m15_laptop_kit_lapbc710
Intel Nuc_m15_laptop_kit_lapbc710_firmware

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cret@cert.org (x_refsource_MISC, Vendor Advisory)
cret@cert.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-40261?: CVE-2022-40261 is a high-severity vulnerability in Ami Aptio, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.2/10. Published 2022-09-20.
How severe is CVE-2022-40261?: High severity. CVSS v3 base score is 8.2 out of 10.