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CVE-2024-21785

Automationdirect P1-540 Firmware vulnerability

9.8 CRITICALEPSS 1.51%
  1. Published28 May 2024

Description

A leftover debug code vulnerability exists in the Telnet Diagnostic Interface functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted series of network requests can lead to unauthorized access. An attacker can send a sequence of requests to trigger this vulnerability.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Automationdirect P1-540 Firmware1.2.10.10 · 4.1.1.10
Automationdirect P1-550 Firmware1.2.10.10 · 4.1.1.10
Automationdirect P2-550 Firmware1.2.10.10 · 4.1.1.10
Automationdirect P3-530 Firmware1.2.10.9 · 4.1.1.10
Automationdirect P3-550e Firmware1.2.10.9 · 4.1.1.10
Automationdirect P3-550 Firmware1.2.10.9 · 4.1.1.10

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2024-21785 being actively exploited?

CVE-2024-21785 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.51%.

How severe is CVE-2024-21785?

CVE-2024-21785 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.51% probability of exploitation.

Which products are affected by CVE-2024-21785?

Affected products include Automationdirect P1-540 Firmware, Automationdirect P1-550 Firmware, Automationdirect P2-550 Firmware, Automationdirect P3-530 Firmware, Automationdirect P3-550e Firmware, and 1 more.

How do I fix CVE-2024-21785?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-21785 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.