Improper input validation in FactoryTalk Linx, RSLinx Classic, Connected Components…
Priority MEDIUM 40CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Version 12 and prior, ControlFLASH: Version 14 and later, ControlFLASH Plus: Version 1 and later, FactoryTalk Asset Centre: Version 9 and later, FactoryTalk Linx CommDTM: Version 1 and later, Studio 5000 Launcher: Version 31 and later Stud, 5000 Logix Designer software: Version 32 and prior is vulnerable. An exposed API call allows users to provide files to be processed without sanitation. This may allow an attacker to specify a filename to execute unauthorized code and modify files or data.
Why it matters now
EPSS 0.02805 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software | FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Version 12 and prior, ControlFLASH: Version 14 and later, ControlFLASH Plus: Version 1 and later, FactoryTalk Asset Centre: Version 9 and later, FactoryTalk Linx CommDTM: Version 1 and later, Studio 5000 Launcher: Version 31 and later Stud, 5000 Logix Designer software: Version 32 and prior | — | No fix listed | CNA |
- FactoryTalk Linx, RSLinx Classic, Connected Components Workbench, ControlFLASH Plus, FactoryTalk Asset Centre, FactoryTalk Linx CommDTM, Studio 5000 Launcher, Studio 5000 Logix Designer software Vendor— Affected FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Version 12 and prior, ControlFLASH: Version 14 and later, ControlFLASH Plus: Version 1 and later, FactoryTalk Asset Centre: Version 9 and later, FactoryTalk Linx CommDTM: Version 1 and later, Studio 5000 Launcher: Version 31 and later Stud, 5000 Logix Designer software: Version 32 and prior Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rockwellautomation:factorytalk_linx:6.00:*:*:*:*:*:*:* | 6.00 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:factorytalk_linx:6.10:*:*:*:*:*:*:* | 6.10 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:factorytalk_linx:6.11:*:*:*:*:*:*:* | 6.11 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:rslinx_classic:*:*:*:*:*:*:*:* | up to 4.11.00 | Vulnerable | Rockwell |
- cpe:2.3:a:rockwellautomation:factorytalk_linx:6.00:*:*:*:*:*:*:* Versions 6.00 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:factorytalk_linx:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:factorytalk_linx:6.11:*:*:*:*:*:*:* Versions 6.11 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:rslinx_classic:*:*:*:*:*:*:*:* Versions up to 4.11.00 Vulnerable ·Rockwell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-11999
- 2026-10-03 Alias added: GHSA-hjcj-7cv6-7vcj
References
More Rockwell Factorytalk Linx vulnerabilities
- TI-2020-04730 Resource allocation without limits in Rockwell FactoryTalk Linx CVSS 3.1HIGH 7.5
- TI-2023-13843 Rockwell Automation FactoryTalk Linx Vulnerable to Denial-of-Service and Information Disclosure CVSS 3.1CRITICAL 9.1
- TI-2020-09660 Improper input validation in FactoryTalk Linx, RSLinx Classic, Connected Components… CVSS 3.1CRITICAL 9.8
- TI-2020-04729 Improper handling of exceptional conditions in Rockwell FactoryTalk Linx CVSS 3.1HIGH 7.5
- TI-2020-16577 Heap-based buffer overflow in FactoryTalk Linx CVSS 3.1CRITICAL 9.8
- TI-2020-09662 Path traversal in FactoryTalk Linx, RSLinx Classic, Connected Components Workbench… CVSS 3.1HIGH 7.5
Sources
- CVE-2020-11999 · CVE Program
- CVE-2020-11999 · NVD
- FIRST EPSS
- GHSA-hjcj-7cv6-7vcj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences