High severity · published Jan 16, 2026
CVE-2025-64769
AVEVA Process Optimization Cleartext Transmission of Sensitive Information
7.1
CVSS
0.2%
EPSS
No
On KEV
Description
The Process Optimization application suite leverages connection
channels/protocols that by-default are not encrypted and could become
subject to hijacking or data leakage in certain man-in-the-middle or
passive inspection scenarios.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% 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-2025-64769
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64769
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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