VDB-164835 · CVE-2020-8698 · intel-sa-00381

Intel CPU Isolation information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Intel CPU. Affected by this vulnerability is an unknown functionality of the component Isolation Handler. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2020-8698. Attacking locally is a requirement. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Intel CPU (Chip Software) (version now known). This affects some unknown processing of the component Isolation Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was published 11/12/2020 as intel-sa-00381. It is possible to read the advisory at intel.com. This vulnerability is uniquely identified as CVE-2020-8698. The exploitability is told 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 T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 294764 (MiracleLinux 7 : microcode_ctl-2.1-73.2.el7 (AXSA:2020-892:06)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (294764). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Chip Software

Vendor

Intel

Name

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 294764
Nessus Name: MiracleLinux 7 : microcode_ctl-2.1-73.2.el7 (AXSA:2020-892:06)

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 🔍
01/21/2026 +1896 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00381
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-8698 (🔍)
GCVE (CVE): GCVE-0-2020-8698
GCVE (VulDB): GCVE-100-164835

Entryinfo

Created: 11/12/2020 21:30
Updated: 01/21/2026 13:53
Changes: 11/12/2020 21:30 (38), 12/06/2020 12:57 (3), 12/06/2020 13:00 (18), 01/21/2026 13:53 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.