Vulnerability in Sick Ag Lector83x
CVE-2026-2331
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…
EPSS: 0.009 (54.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Sick Ag Lector83x — versions 2.6.0
- Sick Ag Lector85x — versions 2.6.0
Weakness classification (CWE)
References
- psirt@sick.de (x_SICK PSIRT Security Advisories)
- psirt@sick.de (x_SICK Operating Guidelines)
- psirt@sick.de (x_ICS-CERT recommended practices on Industrial Security)
- psirt@sick.de (x_CVSS v3.1 Calculator)
- psirt@sick.de (x_The canonical URL.)
- psirt@sick.de (vendor-advisory)
Frequently asked questions
- What is CVE-2026-2331?
- CVE-2026-2331 is a critical-severity vulnerability in Sick Ag Lector83x, classified under Files or Directories Accessible to External Parties. CVSS score: 9.8/10. Published 2026-03-06.
- How severe is CVE-2026-2331?
- Critical severity. CVSS v3 base score is 9.8 out of 10.