SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-0159

Improper input validation in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

HIGH 7.8EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper input validation in the BIOS authenticated code module 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
0.27% probability · 18th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
intel/xeon bronze 3204 firmware · intel/xeon bronze 3206r firmware · intel/xeon gold 5215 firmware · intel/xeon gold 5215l firmware · intel/xeon gold 5217 firmware · intel/xeon gold 5218 firmware · intel/xeon gold 5218b firmware · intel/xeon gold 5218n firmware · intel/xeon gold 5218r firmware · intel/xeon gold 5218t firmware · intel/xeon gold 5220 firmware · intel/xeon gold 5220r firmware · intel/xeon gold 5220s firmware · intel/xeon gold 5220t firmware · intel/xeon gold 5222 firmware · intel/xeon gold 5315y firmware · intel/xeon gold 5317 firmware · intel/xeon gold 5318h firmware · intel/xeon gold 5318n firmware · intel/xeon gold 5318s firmware · +40 more
Source
secure@intel.com

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