CVE-2025-64691: AVEVA Process Optimization Code Injection

Published Jan 16, 2026
·
Updated

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 Software

1 affected component
AVEVA Process Optimization<2025

Remediation

Information

AVEVA recommends users take the following action: * Update to AVEVA Process Optimization v2025 https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea For more information, please AVEVA's security bulletin AVEVA-2026-001 https://www.aveva.com/en/support-and-success/cyber-security-updates/ .

Event History

Jan 16, 2026
CVE Published
via MITRE·12:06 AM
Data Sourced
via MITRE·12:06 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-64691?

CVE-2025-64691 is considered a critical vulnerability due to the potential for privilege escalation and complete compromise of the application server.

2

How do I fix CVE-2025-64691?

To fix CVE-2025-64691, apply the latest security patches provided by AVEVA for the Process Optimization software.

3

Who is affected by CVE-2025-64691?

CVE-2025-64691 affects users of AVEVA Process Optimization versions prior to 2025.

4

What type of attack does CVE-2025-64691 enable?

CVE-2025-64691 enables authenticated users to tamper with TCL Macro scripts, leading to privilege escalation.

5

What are the potential consequences of exploiting CVE-2025-64691?

Exploitation of CVE-2025-64691 could lead to a complete compromise of the model application server, affecting data integrity and availability.

Contact

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