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CVE-2025-64691

8.8 · HIGH
Published Jan 16, 2026 aveva CWE-94

Overview

CVE-2025-64691 is a high-severity vulnerability affecting aveva process_optimization. It was published on January 16, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from aveva. Update process_optimization to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
aveva process_optimization >= 0, < 2025 Affected

References

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

Frequently Asked Questions

What is CVE-2025-64691?

CVE-2025-64691 is a high-severity vulnerability affecting aveva process_optimization. It was published on January 16, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-64691?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-64691?

Check the references section for vendor advisories and patches from aveva. Update process_optimization to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-64691?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-64691 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Continuous Pentesting

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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