CompactLogix® 5380 / ControlLogix® 5580 - Multiple Vulnerabilities
Priority MEDIUM 44CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00428 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rockwell | CompactLogix® 5380 / ControlLogix® 5580 | V33 and prior, V34.011-V34.014, V35.011-V35.013, V36.011-V36.012 | — | No fix listed | CNA |
- CompactLogix® 5380 / ControlLogix® 5580 VendorRockwell Affected V33 and prior, V34.011-V34.014, V35.011-V35.013, V36.011-V36.012 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9637
- 2026-10-03 Alias added: GHSA-q93h-wjgg-gqf8
References
More Rockwell vulnerabilities
- TI-2023-06904 Cisco is providing an update for the ongoing investigation into observed exploitation of… KEVCVSS 3.1CRITICAL 10.0
- TI-2021-05574 Insufficiently protected credentials in Rockwell Automation Studio 5000 Logix Designer… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-02735 Rockwell Automation ThinManager Thinserver Software Vulnerable to Input Validation Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2023-02733 Rockwell Automation ThinManager Thinserver Software Vulnerable to Input Validation Vulnerability CVSS 3.1CRITICAL 9.1
- TI-2010-02837 The WDB target agent debug service in Wind River VxWorks 6.x, 5.x, and earlier, as used… CVSS 3.1CRITICAL 9.8
- TI-2023-12455 Rockwell Automation ThinManager ThinServer Path Traversal Download CVSS 3.1HIGH 7.5
Sources
- CVE-2026-9637 · CVE Program
- CVE-2026-9637 · NVD
- FIRST EPSS
- GHSA-q93h-wjgg-gqf8 · GitHub Advisory Database · CC BY 4.0
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