High severity · published Jan 16, 2026
CVE-2025-64729
AVEVA Process Optimization Missing Authorization
8.2
CVSS
0.2%
EPSS
No
On KEV
Description
The vulnerability, if exploited, could allow an authenticated miscreant
(OS Standard User) to tamper with Process Optimization project files,
embed code, and escalate their privileges to the identity of a victim
user who subsequently interacts with the project files.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Process Optimization · AVEVA
through 2024.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64729
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64729
Third Party Advisory
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json
Permissions Required
https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea
Vendor Advisory
https://www.aveva.com/en/support-and-success/cyber-security-updates/
Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01
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