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CVE-2025-64691

AVEVA Process Optimization Code Injection

CVSS 9.3 CRITICALEPSS 0.3%CWE-94
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Affected products
AVEVA · Process Optimization

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References
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.jsonhttps://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68eahttps://www.aveva.com/en/support-and-success/cyber-security-updates/https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01