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CVE-2020-8740

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a...

6.7 Medium

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.42%Down 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.7

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Record
CVE-2020-8740
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Record
CVE-2020-8740
Updated
2026-11-02
EUVDEUVD-2020-29588 No score

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Record
EUVD-2020-29588
Updated
2026-11-03
GitHub AdvisoriesGHSA-x3p4-v5g6-w6pw No score

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a...

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Record
GHSA-x3p4-v5g6-w6pw
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-8740 is a medium vulnerability (CVSS 6.7) in Intel Bios, published November 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. No source names a fixed version.

References

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