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.

INFO

Published Date :

2026-01-16T00:06:56.554Z

Last Modified :

2026-01-16T15:12:10.618Z

Source :

icscert
AFFECTED PRODUCTS

The following products are affected by CVE-2025-64691 vulnerability.

Vendors Products
Aveva
  • Process Optimization
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-64691.

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

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact