Horner Automation Cscape and XL4, XL7 PLC Weak password requirements
Priority MEDIUM 48CWE-521Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-521.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00449 39th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Horner Automation | Cscape | 10.0 | — | No fix listed | CNA |
| Horner Automation | XL7 PLC | 15.60 | — | No fix listed | CNA |
| Horner Automation | XL4 PLC | 16.32.0 | — | No fix listed | CNA |
- Cscape VendorHorner Automation Affected 10.0 Fixed in — No fix listed CNA
- XL7 PLC VendorHorner Automation Affected 15.60 Fixed in — No fix listed CNA
- XL4 PLC VendorHorner Automation Affected 16.32.0 Fixed in — No fix listed CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:* | — | — | Horner Automation |
- cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:* Versions — — ·Horner Automation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-6284
- 2026-10-03 Alias added: GHSA-r9f4-h79v-5p47
References
More Horner Automation vulnerabilities
- TI-2022-02442 Horner Automation’s RCC 972 with firmware version 15.40 has a static encryption key on… CVSS 3.1CRITICAL 9.8
- TI-2022-02443 Horner Automation’s RCC 972 firmware version 15.40 contains global variables. CVSS 3.1HIGH 7.5
- TI-2026-10990 Out-of-bounds read in Horner Automation Cscape CVSS 4.0HIGH 8.4
- TI-2025-03638 Out-of-bounds Read in Horner Automation Cscape CVSS 4.0HIGH 8.4
- TI-2024-11326 Horner Automation Cscape Out-of-bounds Read CVSS 4.0HIGH 8.5
- TI-2024-08825 Horner Automation Cscape Out-of-bounds Read CVSS 4.0HIGH 8.5
Sources
- CVE-2026-6284 · CVE Program
- CVE-2026-6284 · NVD
- FIRST EPSS
- GHSA-r9f4-h79v-5p47 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences