What is CVE-2014-4860?

CVE-2014-4860 is a medium-severity vulnerability in American Megatrends Incorporated (Ami) Bios, classified under Integer Overflow or Wraparound. CVSS score: 6.8/10. Published 2020-01-31.

How severe is CVE-2014-4860?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Integer overflow in American Megatrends Incorporated (Ami) Bios

CVE-2014-4860

Multiple integer overflows in the Pre-EFI Initialization (PEI) boot phase in the Capsule Update feature in the UEFI implementation in EDK2 allow physically proximate attackers to bypass intended access restrictions by providing crafted data that is not properly handled during the coalescing phase.

Vulnerability class: Integer Overflow

EPSS: 0.005 (40.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

American Megatrends Incorporated (Ami) Bios — versions unknown
Phoenix Technologies Ltd. Sct3 — versions before 5/23/2014
Tianocore Edk2

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

cret@cert.org (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2014-4860?: CVE-2014-4860 is a medium-severity vulnerability in American Megatrends Incorporated (Ami) Bios, classified under Integer Overflow or Wraparound. CVSS score: 6.8/10. Published 2020-01-31.
How severe is CVE-2014-4860?: Medium severity. CVSS v3 base score is 6.8 out of 10.