Vulnerability · Published Jan 16, 2026 · Assigned by icscert
CVE-2025-64691AVEVA Process Optimization Code Injection
High 8.8
In plain English
A high-severity code injection in Process Optimization from AVEVA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 78.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AVEVA | Process Optimization | 0 – through 2024.1 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://www.aveva.com/en/support-and-success/cyber-security-updates/
- https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json