CVE-2025-64691 json
AVEVA Process Optimization Code Injection
published 2026-01-16 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-2994
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- aveva process_optimization 2025
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-26-015-01 updated cvss 8.8
AVEVA Process Optimization
-
AVEVA Process Optimization <=2024.1affected: vendor fix, mitigation “AVEVA recommends users take the following action:” softwaresupportsp.aveva.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 9 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | 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 |
| CNA | 4.0 | 9.3 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- AVEVA Process Optimization
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
aveva.com
/en/support-and-success/cyber-security-updates/
vendor-advisory
-
softwaresupportsp.aveva.com
/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea
permissions-required
-
cisa.gov
/news-events/ics-advisories/icsa-26-015-01
third-party-advisory, us-government-resource
-
github.com
/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json
third-party-advisory
Sources
- CVE List CVE-2025-64691
- NVD CVE-2025-64691
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.