How severe is CVE-2024-8626?

CVE-2024-8626 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-8626 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8626?

CVE-2024-8626 primarily affects Rockwellautomation Compactlogix 5380 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-8626?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-8626 have an EU (EUVD) identifier?

Yes. CVE-2024-8626 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49305.

When was CVE-2024-8626 published?

CVE-2024-8626 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-8626

CVE-2024-8626 is a high-severity vulnerability in Rockwellautomation Compactlogix 5380 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49305
Weakness: CWE-401
Affected product: Rockwellautomation Compactlogix 5380 Firmware
Published: 2024-10-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-8626?: 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.
How severe is CVE-2024-8626?: CVE-2024-8626 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-8626 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8626?: CVE-2024-8626 primarily affects Rockwellautomation Compactlogix 5380 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-8626?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-8626 have an EU (EUVD) identifier?: Yes. CVE-2024-8626 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49305.
When was CVE-2024-8626 published?: CVE-2024-8626 was published on 2024-10-08 and last updated on 2026-06-17.

References

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

Affected products (6)

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:1756-en4tr_firmware:3.002:*:*:*:*:*:*:*

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