Auth bypass in Aveva Process Optimization
CVE-2025-64729
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.002 (8.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Aveva Process Optimization — versions 0
- Aveva Process Optimization
Weakness classification (CWE)
References
- www.aveva.com/en/support-and-success/cyber-security-updates/ (Vendor Advisory)
- softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde… (Permissions Required)
- www.cisa.gov/news-events/ics-advisories/icsa-26-015-01 (US Government Resource, Third Party Advisory)
- github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.js… (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-64729?
- CVE-2025-64729 is a high-severity vulnerability in Aveva Process Optimization, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-01-16.
- How severe is CVE-2025-64729?
- High severity. CVSS v3 base score is 8.1 out of 10.