What is the CVSS score of CVE-2020-5589?

CVE-2020-5589 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Wf 1000X Firmware CVE-2020-5589

HIGH

Missing Authentication for Critical Function (CWE-306)

2020-06-09 vultures@jpcert.or.jp

Authentication Bypass Wf 1000X Firmware Wf Sp700N Firmware Wh 1000Xm2 Firmware Wh 1000Xm3 Firmware Wh Ch700N Firmware Wh H900N Firmware Wh Xb700 Firmware Wh Xb900N Firmware Wi 1000X Firmware Wi C600N Firmware Wi Sp600N Firmware Sony

8.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-306 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Authentication required for critical functions MITRE ATT&CK 1 technique across 1 tactic: Initial Access 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 8.8 (HIGH). Attack characteristics: adjacent network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to access critical functionality without authentication. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

SONY Wireless Headphones WF-1000X, WF-SP700N, WH-1000XM2, WH-1000XM3, WH-CH700N, WH-H900N, WH-XB700, WH-XB900N, WI-1000X, WI-C600N and WI-SP600N with firmware versions prior to 4.5.2 have. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. SONY Wireless Headphones WF-1000X, WF-SP700N, WH-1000XM2, WH-1000XM3, WH-CH700N, WH-H900N, WH-XB700, WH-XB900N, WI-1000X, WI-C600N and WI-SP600N with firmware versions prior to 4.5.2 have vulnerability that someone within the Bluetooth range can make the Bluetooth pairing and operate such as changing volume of the product. Affected products include: Sony Wf-1000X Firmware, Sony Wf-Sp700N Firmware, Sony Wh-1000Xm2 Firmware, Sony Wh-1000Xm3 Firmware, Sony Wh-Ch700N Firmware. Version information: prior to 4.5.2.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

SONY Wireless Headphones WF-1000X, WF-SP700N, WH-1000XM2, WH-1000XM3, WH-CH700N, WH-H900N, WH-XB700, WH-XB900N, WI-1000X, WI-C600N and WI-SP600N with firmware versions prior to 4.5.2 have vulnerability that someone within the Bluetooth range can make the Bluetooth pairing and operate such as changing volume of the product.

Threat Intelligence Overview

EPSS Score

0.6%

Top 56% 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 HIGH

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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.