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CVE-2021-0157

MEDIUM
6.7
CVSS Score
Published: November 17, 2021 at 07:05 PM UTC
Updated: October 7, 2026 at 06:17 PM UTC
485 products affected across 1 vendorCore I7+8700Core I7-8700tCore I7-8700k

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Severity
MEDIUM6.7
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00562.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-OtherCWE-691

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