CVE-2024-8626
Logix Controllers Vulnerable to Denial-of-Service Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- Rockwell
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.
Timeline
ID reserved
By Rockwell
- 29 days later
· 29 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| RockwellCNA (assigner) | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| NVDNVD · Analyzed | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.52% · top 56% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Weakness
Affected products
Rockwell Automation · CompactLogix 5380 controllers
- affected v33.011 <
Rockwell Automation · Compact GuardLogix® 5380 controllers
- affected v33.011<
Rockwell Automation · CompactLogix 5480 controllers
- affected v33.011<
Rockwell Automation · GuardLogix 5580 controllers
- affected v33.011<
Rockwell Automation · 1756-EN4TR
- affected v3.002
What to do
Solution: Affected Product First Known in firmware Revision Corrected in Firmware Revision CompactLogix 5380 controllers v33.011 < * v33.015 and later for versions 33 * v34.011 and later Compact GuardLogix® 5380 controllers v33.011< CompactLogix 5480 controllers v33.011< ControlLogix 5580 controllers v33.011< GuardLogix 5580 controllers v33.011< 1756-EN4TR v3.002 * 4.001 and later Mitigations and Workarounds Customers using the affected versions are encouraged to upgrade to corrected firmware versions. We also strongly encourage customers to implement our suggested security best practices to minimize the risk of the vulnerability. * Security Best Practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-8626)Record last updated .