What is the CVSS score of CVE-2020-8698?

CVE-2020-8698 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.5%.

Debian Linux CVE-2020-8698

MEDIUM

Exposure of Resource to Wrong Sphere (CWE-668)

2020-11-12 secure@intel.com

Information Disclosure Debian Siemens Intel Debian Linux Fedora Clustered Data Ontap Simatic Itp1000 Firmware Simatic Ipc477E Firmware Simatic Field Pg M5 Firmware Simatic Ipc427E Firmware Simatic Ipc477E Pro Firmware Simatic Field Pg M6 Firmware Simatic Ipc627E Firmware Simatic Ipc647E Firmware Simatic Ipc677E Firmware Simatic Ipc847E Firmware Hci Compute Node Bios Microcode Hci Storage Node Bios Solidfire Bios Netapp Fedoraproject

5.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-668 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Resource sphere isolation MITRE ATT&CK 1 technique across 1 tactic: Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	A local attacker with access to the system could access resources from an unintended security context.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement proper access controls, validate resource access permissions, use security boundaries.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Resource to Wrong Sphere (CWE-668), which allows attackers to access resources from an unintended security context. Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Affected products include: Intel Microcode, Netapp Clustered Data Ontap, Netapp Hci Compute Node Bios, Netapp Hci Storage Node Bios, Netapp Solidfire Bios.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Threat Intelligence Overview

EPSS Score

0.5%

Top 60% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +28

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:intel:microcode:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*

cpe:2.3:o:netapp:hci_compute_node_bios:-:*:*:*:*:*:*:*

cpe:2.3:o:netapp:hci_storage_node_bios:-:*:*:*:*:*:*:*

cpe:2.3:o:netapp:solidfire_bios:-:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381 REF https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdf REF https://lists.debian.org/debian-lts-announce/2021/02/msg00007.html REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAAGIK5CXKBPGY3R4UR5VO56M7MKLZ43/ REF https://security.netapp.com/advisory/ntap-20201113-0006/

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