What is the CVSS score of CVE-2024-4008?

CVE-2024-4008 has a CVSS 4.0 base score of 7.3 (High). CVSS vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:N/V:D/RE:M/U:Green. EPSS exploitation probability: 0.3%.

2Tma310010B0001 Firmware CVE-2024-4008

HIGH

Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497)

2024-06-05 cybersecurity@ch.abb.com

Information Disclosure Abb 2Tma310010B0001 Firmware 2Tma310011B0001 Firmware 2Tma310011B0002 Firmware 2Tma310010B0003 Firmware 2Tma310011B0003 Firmware

7.3

CVSS 4.0 · Vendor: ch

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Vulnerability Assessment

Weakness	CWE CWE-497 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V14 - Data Protection System info exposure prevention
Impact	CVSS score of 7.3 (HIGH). Attack characteristics: adjacent network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

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

No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

FDSK Leak in ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to take control via access to local KNX Bus-System. Rated high severity (CVSS 7.3), 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-497. FDSK Leak in ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to take control via access to local KNX Bus-System Affected products include: Abb 2Tma310010B0001 Firmware, Abb 2Tma310011B0001 Firmware, Abb 2Tma310011B0002 Firmware, Abb 2Tma310010B0003 Firmware, Abb 2Tma310011B0003 Firmware. Version information: version 1.00.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (ch) PRIMARY 7.3 HIGH

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:N/V:D/RE:M/U:Green

Primary rating from Vendor (ch) · only source for this CVE.

CVSS VectorVendor: ch

Attack Vector

Adjacent

Attack Complexity

Low

Attack Requirements

Present

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

High

Vulnerable system: Availability

High

Subsequent system: Confidentiality

Low

Subsequent system: Integrity

High

Subsequent system: Availability

High

DescriptionCVE.org

FDSK Leak in ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to take control via access to local KNX Bus-System

Threat Intelligence Overview

EPSS Score

0.3%

Top 81% 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 0.3%

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.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Controlled

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +36

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.