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Vulnerability Assessment

Weakness
CWE
CWE-400
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 8.6 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could cause denial of service by exhausting system resources by sending crafted requests to the affected application. 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 1.9% exploitation probability (EPSS)

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AnalysisAI

A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, 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. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online. Affected products include: Rockwellautomation Compactlogix 5380 Firmware, Rockwellautomation Compact Guardlogix 5380 Firmware, Rockwellautomation Compactlogix 5480 Firmware, Rockwellautomation Controllogix 5580 Firmware, Rockwellautomation Guardlogix 5580 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 8.6 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online.

Threat Intelligence Overview

EPSS Score
1.9%
Top 22% 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 1.9%
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
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +43
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:o:rockwellautomation:compactlogix_5380_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:compact_guardlogix_5380_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:compactlogix_5480_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:controllogix_5580_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:guardlogix_5580_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:compactlogix_5370_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:compact_guardlogix_5370_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:controllogix_5570_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:guardlogix_5570_firmware:*:*:*:*:*:*:*:*

More in Controllogix 5580 Firmware

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An attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix, a
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CVE 2021-22681 https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.PN1550.html and send a
CVE-2024-8626 HIGH
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Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. Rated high

CVE-2024-6077 HIGH
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A denial-of-service vulnerability exists in the Rockwell Automation affected products when specially crafted packets are
CVE-2024-7515 HIGH
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CVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products. Rated high severity (CVSS 8.7),

CVE-2024-40619 HIGH
8.7 Aug 14

CVE-2024-40619 IMPACT A denial-of-service vulnerability exists in the affected products. Rated high severity (CVSS 8.7),
CVE-2024-5659 HIGH
8.3 Jun 14

Rockwell Automation was made aware of a vulnerability that causes all affected controllers on the same network to result
CVE-2025-9166 HIGH
8.2 Sep 09

A denial-of-service security issue exists in the affected product and version. Rated high severity (CVSS 8.2), this vuln
CVE-2024-3493 HIGH
7.5 Apr 15

A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send larg
CVE-2022-1159 HIGH
7.2 Apr 01

Rockwell Automation Studio 5000 Logix Designer (all versions) are vulnerable when an attacker who achieves administrator
CVE-2017-6024 MEDIUM
5.9 May 06

A Resource Exhaustion issue was discovered in Rockwell Automation ControlLogix 5580 controllers V28.011, V28.012, and V2

Same weakness CWE-400 – Uncontrolled Resource Consumption

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CVE-2026-45498 HIGH POC
7.5
CVE-2016-8610 HIGH
7.5
CVE-2026-28318 HIGH POC
7.5
CVE-2023-38180 HIGH
7.5
CVE-2025-26673 HIGH
7.5

Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
ADVISORY https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559 REF https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01

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