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CRITICALCVE-2026-6284Published Modified CNA icscert

CVE-2026-6284: Horner Automation Cscape and XL4, XL7 PLC Weak password requirements

An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible.

Metrics

CVSS v4.0
9.3
Severity
CRITICAL
Fixed in
Affected Products
3
Affected packages
  • Horner Automation / Cscape
    10.0
  • Horner Automation / XL7 PLC
    15.60
  • Horner Automation / XL4 PLC
    16.32.0
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N