CVE-2026-6284criticalCWE-521

CVE-2026-6284: critical vulnerability in Horner Automation Cscape

Horner Automation Cscape and XL4, XL7 PLC Weak password requirements

Published · Updated

Follow this CVE+ Monitor Cscape+ Monitor XL4 PLC

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 0.4%
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.
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
Affected products
Horner Automation · CscapeHorner Automation · XL4 PLCHorner Automation · XL7 PLC
Related CVEs — Horner Automation Cscape

In the same product, most dangerous first.

CVE-2025-4098HIGHOut-of-bounds Read in Horner Automation CscapeEPSS 0.3%CVE-2022-3377HIGHCVE-2022-3377EPSS 0.3%CVE-2022-3378HIGHCVE-2022-3378EPSS 0.3%CVE-2022-3379HIGHCVE-2022-3379EPSS 0.3%CVE-2023-28653HIGHCVE-2023-28653EPSS 0.2%CVE-2023-29503HIGHCVE-2023-29503EPSS 0.2%