CVE-2026-6284
Horner Automation Cscape and XL4, XL7 PLC Weak password requirements
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 17, 2026
- Updated
- Apr 20, 2026
- Reserved
- Apr 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | icscert |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | icscert |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CscapeHorner Automation |
|
XL7 PLCHorner Automation |
|
XL4 PLCHorner Automation |
|
References
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