SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-33122

Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

HIGH 7.8EPSS 0.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.26% probability · 18th percentile
CISA KEV
Not listed
Affected
intel/xeon e-2386g firmware · intel/xeon e-2374g firmware · intel/xeon e-2314 firmware · intel/xeon e-2334 firmware · intel/xeon e-2356g firmware · intel/xeon e-2378 firmware · intel/xeon e-2324g firmware · intel/xeon e-2378g firmware · intel/xeon e-2336 firmware · intel/xeon e-2388g firmware · intel/xeon w-1350 firmware · intel/xeon w-1370 firmware · intel/xeon w-1370p firmware · intel/xeon w-1390 firmware · intel/xeon w-1390p firmware · intel/xeon w-1390t firmware · intel/xeon w-1350p firmware · intel/core i3-1000g1 firmware · intel/core i3-1000g4 firmware · intel/core i3-1005g1 firmware · +40 more
Source
secure@intel.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.