An attacker may perform unauthenticated read and write operations on sensitive filesystem…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-552.
Summary
An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| SICK AG | InspectorP61x | before 5.4.0 | 5.4.0 | Patch available | CNA |
| SICK AG | InspectorP62x | before 5.4.0 | 5.4.0 | Patch available | CNA |
| SICK AG | InspectorP65x | all versions and later | — | No fix listed | CNA |
| SICK AG | InspectorP63x | all versions and later | — | No fix listed | CNA |
| SICK AG | InspectorP64x | all versions and later | — | No fix listed | CNA |
| SICK AG | ICR890-4 | before 2.15.0 | 2.15.0 | Patch available | CNA |
- InspectorP61x VendorSICK AG Affected before 5.4.0 Fixed in 5.4.0 Patch available CNA
- InspectorP62x VendorSICK AG Affected before 5.4.0 Fixed in 5.4.0 Patch available CNA
- InspectorP65x VendorSICK AG Affected all versions and later Fixed in — No fix listed CNA
- InspectorP63x VendorSICK AG Affected all versions and later Fixed in — No fix listed CNA
- InspectorP64x VendorSICK AG Affected all versions and later Fixed in — No fix listed CNA
- ICR890-4 VendorSICK AG Affected before 2.15.0 Fixed in 2.15.0 Patch available CNA
Remediation
- Fix · CNA InspectorP61x (SICK AG) Fixed in 5.4.0
- Fix · CNA InspectorP62x (SICK AG) Fixed in 5.4.0
- Fix · CNA ICR890-4 (SICK AG) Fixed in 2.15.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11841
- 2026-10-03 Alias added: GHSA-5x3h-wq76-mxqx
References
Other 5
- https://www.sick.com/psirt
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
- https://www.first.org/cvss/calculator/3.1
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0010.json
More SICK AG vulnerabilities
- TI-2022-10578 Missing authentication in SICK SIM1004 CVSS 3.1CRITICAL 9.8
- TI-2022-10577 Missing authentication in SICK SIM1000 FX CVSS 3.1CRITICAL 9.8
- TI-2022-10576 Missing authentication in SICK SIM2000ST CVSS 3.1CRITICAL 9.8
- TI-2022-10574 Missing authentication in SICK SIM4000 CVSS 3.1CRITICAL 9.8
- TI-2026-01971 An attacker may perform unauthenticated read and write operations on sensitive filesystem… CVSS 3.1CRITICAL 9.8
- TI-2023-09295 Missing authentication in FX0-GENT v3 Firmware CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-11841 · CVE Program
- CVE-2026-11841 · NVD
- FIRST EPSS
- GHSA-5x3h-wq76-mxqx · 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