HOMEVULNERABILITIESCVE-2020-8670
MEDIUM

CVE-2020-8670

CWE-362Published: June 9, 2021· Updated: Jun 17, 2026

6.4
CVSS v3.1

Official Description

Race condition in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

NVD Source

Technical Analysis

CVE-2020-8670 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

intel539 product(s)
bioscore i3-l13g4core i5-l16g7core i7-10510ucore i7-10510ycore i7-1060g7core i7-1060ng7core i7-10610ucore i7-1065g7core i7-1068ng7core i7-10700core i7-10700e+527
netapp6 product(s)
cloud backupaff biosfas bioshci compute node bioshci storage node biossolidfire bios
siemens22 product(s)
simatic field pg m6 firmwaresimatic field pg m6simatic ipc427e firmwaresimatic ipc427esimatic ipc477e firmwaresimatic ipc477esimatic ipc477e pro firmwaresimatic ipc477e prosimatic ipc527g firmwaresimatic ipc527gsimatic ipc547g firmwaresimatic ipc547g+10
Source: NVD CPE · 567 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2020-8670
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessCWE-362
CISA KEVNo
Affected3 vendor(s)
PublishedJun 9, 2021

Related CVEs (CWE-362)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-8670 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.