CODESYS Toolkit Exposes Sensitive Files via Default Permissions
Priority LOW 24CWE-276Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00137 3rd percentileScored 2026-11-07
Fix Fixed Runtime Toolkit (CODESYS): 3.5.21.20Control for BeagleBone SL (CODESYS): 4.16.0.0+10 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| CODESYS | Runtime Toolkit | 0.0.0.0 to before 3.5.21.20 | 3.5.21.20 | Patch available | CNA |
| CODESYS | Control for BeagleBone SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for emPC-A/iMX6 SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for IOT2000 SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for Linux ARM SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for Linux SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for PFC100 SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for PFC200 SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for PLCnext SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for Raspberry Pi SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Control for WAGO Touch Panels 600 SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
| CODESYS | Virtual Control SL | 0.0.0.0 to before 4.16.0.0 | 4.16.0.0 | Patch available | CNA |
- Runtime Toolkit VendorCODESYS Affected 0.0.0.0 to before 3.5.21.20 Fixed in 3.5.21.20 Patch available CNA
- Control for BeagleBone SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for emPC-A/iMX6 SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for IOT2000 SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for Linux ARM SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for Linux SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for PFC100 SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for PFC200 SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for PLCnext SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for Raspberry Pi SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Control for WAGO Touch Panels 600 SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
- Virtual Control SL VendorCODESYS Affected 0.0.0.0 to before 4.16.0.0 Fixed in 4.16.0.0 Patch available CNA
Remediation
- Fix · CNA Runtime Toolkit (CODESYS) Fixed in 3.5.21.20
- Fix · CNA Control for BeagleBone SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for emPC-A/iMX6 SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for IOT2000 SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for Linux ARM SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for Linux SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for PFC100 SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for PFC200 SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for PLCnext SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for Raspberry Pi SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Control for WAGO Touch Panels 600 SL (CODESYS) Fixed in 4.16.0.0
- Fix · CNA Virtual Control SL (CODESYS) Fixed in 4.16.0.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
CODESYS Runtime Toolkit 3.5.21.20
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-27625 CODESYS Control PKI Exposure Enables Remote Certificate AccessPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2025-41658
- 2026-10-03 Alias added: GHSA-ff63-c723-v97g
References
More CODESYS vulnerabilities
- TI-2021-12888 CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow. CVSS 3.1CRITICAL 9.8
- TI-2019-10180 Stack-based buffer overflow in CODESYS V3 web server CVSS 3.1CRITICAL 9.8
- TI-2021-13604 CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS) CVSS 3.1HIGH 7.5
- TI-2020-08257 CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow. CVSS 3.1CRITICAL 9.8
- TI-2019-13592 CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow. CVSS 3.1CRITICAL 9.8
- TI-2017-03937 Unrestricted file upload in 3S-Smart Software Solutions GmbH CODESYS Web Server CVSS 3.0CRITICAL 9.8
Sources
- CVE-2025-41658 · CVE Program
- CVE-2025-41658 · NVD
- FIRST EPSS
- GHSA-ff63-c723-v97g · 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