← Back to CVE List
CVE-2025-64691NVD
Vulnerability 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.
(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.
CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)
Attack VectorLocal
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)High
Integrity (Subsequent System)High
Availability (Subsequent System)High
CVSS v3.1 Base Metrics — Score 8.8 (HIGH)
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- Aveva Process Optimization < 2025
- Aveva Process Optimization 2025
External References
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json
- https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea
- https://www.aveva.com/en/support-and-success/cyber-security-updates/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01