What is CVE-2020-8740?

CVE-2020-8740 is a medium-severity vulnerability in Intel Bios, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2020-11-12.

How severe is CVE-2020-8740?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Intel Bios

CVE-2020-8740

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Intel Bios
Intel Core_i5-7640x
Intel Core_i7-3820
Intel Core_i7-3920xm
Intel Core_i7-3930k
Intel Core_i7-3940xm
Intel Core_i7-3960x
Intel Core_i7-3970x
Intel Core_i7-4820k
Intel Core_i7-4930k

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

secure@intel.com (x_refsource_MISC, Vendor Advisory)
secure@intel.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-8740?: CVE-2020-8740 is a medium-severity vulnerability in Intel Bios, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2020-11-12.
How severe is CVE-2020-8740?: Medium severity. CVSS v3 base score is 6.7 out of 10.