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CVE-2024-4009

Abb 2tma310010b0001 Firmware vulnerability

9.2 CRITICALEPSS 0.14%
  1. Published5 Jun 2024

Description

Replay Attack in ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to capture/replay KNX telegram to local KNX Bus-System

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityLow
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

Affected products

Abb 2tma310010b0001 Firmware< 1.02
Abb 2tma310010b0003 Firmware< 1.02
Abb 2tma310011b0001 Firmware< 1.02
Abb 2tma310011b0002 Firmware< 1.02
Abb 2tma310011b0003 Firmware< 1.02

Remediation

Fixed in
Abb 2tma310010b0001 Firmware≥ 1.02
Abb 2tma310010b0003 Firmware≥ 1.02
Abb 2tma310011b0001 Firmware≥ 1.02
Abb 2tma310011b0002 Firmware≥ 1.02
Abb 2tma310011b0003 Firmware≥ 1.02

Frequently asked

Is CVE-2024-4009 being actively exploited?

CVE-2024-4009 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.14%.

How severe is CVE-2024-4009?

CVE-2024-4009 has a CVSS 3.1 base score of 9.2, rated critical. EPSS estimates a 0.14% probability of exploitation.

Which products are affected by CVE-2024-4009?

Affected products include Abb 2tma310010b0001 Firmware, Abb 2tma310010b0003 Firmware, Abb 2tma310011b0001 Firmware, Abb 2tma310011b0002 Firmware, Abb 2tma310011b0003 Firmware.

How do I fix CVE-2024-4009?

Upgrade affected software to a fixed version, for example Abb 2tma310010b0001 Firmware 1.02, Abb 2tma310010b0003 Firmware 1.02, Abb 2tma310011b0001 Firmware 1.02 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-4009 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.