What’s Vulnerable › Vulnerabilities

CVE-2023-32539: Horner Automation Cscape Out-of-bounds Write

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-06 · updated 2026-06-17
• Weakness: CWE-787

Description

Horner Automation Cscape lacks proper validation of user-supplied data when parsing project files (e.g., HMI). This could lead to an out-of-bounds write at CScape_EnvisionRV+0x2e3c04. An attacker could leverage this vulnerability to potentially execute arbitrary code in the context of the current process.

Affected products

• Horner Automation Cscape: 9.90-sp8
• Horner Automation Cscape EnvisionRV: 4.70

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-04
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-04

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