SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-20083

Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

HIGH 7.1EPSS 0.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS 4.0
7.1 HIGHCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.16% probability · 5th percentile
CISA KEV
Not listed
Weakness
CWE-287
Source
secure@intel.com

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