CVE-2025-65117

highpriority · track · 31EPSS 0.002 · 13 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.22% (13th) EPSS
CVSS 7.7 · high
Is it mine?
5 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

The vulnerability, if exploited, could allow an authenticated miscreant (Process Optimization Designer User) to embed OLE objects into graphics, and escalate their privileges to the identity of a victim user who subsequently interacts with the graphical elements.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedProcess Optimizationcisa_csaf_ot

    Apply Host and/or Network firewall rules restricting the taoimr service to accept traffic only from trusted source(s). By default, AVEVA Process Optimization listens on port 8888/8889(TLS). Please refer to the AVEVA Process Optimization Installation Guide for additional details on ports configuration.

  • MitigationProcess Optimizationcisa_csaf_ot

    AVEVA alternatively recommends the following actions users can take to mitigate risk:

02

cvss

Technical severity, 0–10. One row per scoring source.

8.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.5–8.5

v3.17.7highCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.1 · impact 6
v3.17.4highCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:Nsecondary · CISA US
v3.17.4highCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:Nsecondary · ics-cert@hq.dhs.gov USexploitability 1.1 · impact 5.8
v3.15.8mediumAV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU
v4.08.5highCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:Hsecondary · ENISA EU
v4.08.5highCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:N/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:Xsecondary · ics-cert@hq.dhs.gov US
v4.05.5mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:U/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:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (5)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-26-015-01AVEVA Process Optimization2026-01-15icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could enable an attacker to execute remote code, perform SQL injection, escalate privileges, or access sensitive information.

07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (12)

External citations — patches, advisories, analysis.

scry

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