8.6

CVE-2025-64729: aveva process_optimization Missing Authorization

CVSS: 8.6v4.0HighAnalyzed
Published 16-01-2026Last modified 16-01-2026
Open JSON

Vulnerability summary

CVE-2025-64729 is a high (CVSS 8.6) Missing Authorization vulnerability in aveva process_optimization. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.2% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v4.0 (CVE.org)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-01-2026
    PublishedVulnerability first disclosed.
  2. 16-01-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Aveva1 product

1 vendor · 1 product

References

4 links