What’s Vulnerable › Vulnerabilities

CVE-2025-64691: AVEVA Process Optimization Code Injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-16 · updated 2026-06-17
• Weakness: CWE-94

Description

The vulnerability, if exploited, could allow an authenticated miscreant (OS standard user) to tamper with TCL Macro scripts and escalate privileges to OS system, potentially resulting in complete compromise of the model application server.

Affected products

• AVEVA Process Optimization: before 2025 — fixed in 2025

How to fix

Upgrade to a fixed version: AVEVA Process Optimization 2025. Check the vendor advisory for mitigations.

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json
• https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea
• https://www.aveva.com/en/support-and-success/cyber-security-updates/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01

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