CVE-2024-8626

Logix Controllers Vulnerable to Denial-of-Service Vulnerability

HIGH

7.5

CVSS Score

Published: October 8, 2024 at 04:35 PM UTC

Updated: June 17, 2026 at 08:23 AM UTC

12 products affected across 1 vendorGuardlogix 5580 FirmwareControllogix 5580 FirmwareCompactlogix 5380 Firmware

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. A malicious actor could exploit this vulnerability by performing multiple actions on certain web pages of the product causing the affected products to become fully unavailable and require a power cycle to recover.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1756-en4tr Firmware · Rockwell Automation

95%

3.002

Compact Guardlogix 5380 Firmware · Rockwell Automation

95%

33.011 ≤ v < 33.01533.011

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

Compactlogix 5380 Firmware · Rockwell Automation

95%

33.011 ≤ v < 33.01533.011

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

Compactlogix 5480 Firmware · Rockwell Automation

95%

33.011 ≤ v < 33.01533.011

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

Controllogix 5580 Firmware · Rockwell Automation

95%

33.011 ≤ v < 33.015

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

Guardlogix 5580 Firmware · Rockwell Automation

95%

33.001 ≤ v < 33.01533.011 ≤ v < 33.01533.001

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

1756-EN4TR · Rockwell Automation

90%

3.002

Compact GuardLogix 5380 · Rockwell Automation

90%

33.011 ≤ v < 33.01533.011 v33.011<

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

CompactLogix 5380 · Rockwell Automation

90%

33.011 ≤ v < 33.01533.011 v33.011 <

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

CompactLogix 5480 · Rockwell Automation

90%

33.011 ≤ v < 33.01533.011 v33.011<

Affected range stops below 33.015, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1706.html

References (1)

Vendor Advisory

Source: [email protected]

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1706.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-400CWE-401

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