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TI-2026-01971 Aliases CVE-2026-2331GHSA-cvvv-49vh-384q

An attacker may perform unauthenticated read and write operations on sensitive filesystem…

Priority MEDIUM 51CWE-552Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00977 62nd 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SICK AGSICK Lector85x2.6.0 – 2.7.0—No fix listedCNA
SICK AGSICK Lector83x2.6.0 – 2.7.0—No fix listedCNA
  • SICK Lector85x VendorSICK AG Affected 2.6.0 – 2.7.0 Fixed in — No fix listed CNA
  • SICK Lector83x VendorSICK AG Affected 2.6.0 – 2.7.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    SICK Lector83x, SICK Lector85x — sick.com/.well-known/csaf/white/2026/sca-2026-0006.pdf

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-01970 An attacker may access restricted filesystem areas on the device via the CROWN REST…Priority MEDIUM 44
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2331
  2. 2026-10-03 Alias added: GHSA-cvvv-49vh-384q

References

Advisory 1

Other 5

  • 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-2023-09295 Missing authentication in FX0-GENT v3 Firmware CVSS 3.1CRITICAL 9.8
  • TI-2023-09294 Missing authentication in FX0-GPNT v3 Firmware CVSS 3.1CRITICAL 9.8
See all 145 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences