Intel CPU BIOS Platform Sample Code access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Intel CPU and classified as critical. This issue affects some unknown processing of the component BIOS Platform Sample Code. This manipulation causes access control. The identification of this vulnerability is CVE-2020-8739. The attack can only be executed locally. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Intel CPU (Chip Software) (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component BIOS Platform Sample Code. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/12/2020 as intel-sa-00390. It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2020-8739. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/06/2020 🔍
11/12/2020 +280 days 🔍
11/12/2020 +0 days 🔍
12/06/2020 +24 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00390
Status: Confirmed

CVE: CVE-2020-8739 (🔍)
GCVE (CVE): GCVE-0-2020-8739
GCVE (VulDB): GCVE-100-164839

Entryinfo

Created: 11/12/2020 21:34
Updated: 12/06/2020 13:37
Changes: 11/12/2020 21:34 (38), 12/06/2020 13:34 (2), 12/06/2020 13:37 (18)
Complete: 🔍
Cache ID: 216::103

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