CVE-2026-5387 json
AVEVA Pipeline Simulation Missing Authorization
published 6mo ago modified 16d ago also EUVD-2026-22979
- cvss
- 9.3
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrator) roles, resulting in privilege escalation with potential for modification of simulation parameters, training configuration, and training records.
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cisa ICSA-26-106-04 updated cvss 9.1
AVEVA Pipeline Simulation
-
AVEVA Pipeline Simulation <=2025_SP1_build_7.1.9497.6351affected: vendor fix, mitigation “For more information, please see AVEVA's security bulletin AVEVA-2026-004 (https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf).” 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
- yes
- Technical impact
- total
- Assessed
- 6mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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 Pipeline Simulation 2025
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
- aveva.com /content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf
- softwaresupportsp.aveva.com /en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f
- cisa.gov /news-events/ics-advisories/icsa-26-106-04
- github.com /cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-04.json
Sources
- CVE List CVE-2026-5387
- NVD CVE-2026-5387
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