Initialization of a Resource with an Insecure Default vulnerability on EcoStruxure™ Panel Server
Summary
| CVE | CVE-2026-6866 |
|---|---|
| State | PUBLISHED |
| Assigner | schneider |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-12 15:16:16 UTC |
| Updated | 2026-06-24 15:17:05 UTC |
| Description | CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials. |
Risk And Classification
Primary CVSS: v4.0 8.2 HIGH from [email protected]
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/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
EPSS: 0.002910000 probability, percentile 0.207990000 (date 2026-06-29)
Problem Types: CWE-1188 | CWE-1188 CWE-1188 Initialization of a resource with an insecure default
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 8.2 | HIGH | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 8.2 | HIGH | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
PresentPrivileges Required
NoneUser Interaction
NoneConfidentiality
HighIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Schneider-electric | Ecostruxure Panel Server Pas400 | - | All | All | All |
| Operating System | Schneider-electric | Ecostruxure Panel Server Pas400 Firmware | All | All | All | All |
| Hardware | Schneider-electric | Ecostruxure Panel Server Pas600 | - | All | All | All |
| Hardware | Schneider-electric | Ecostruxure Panel Server Pas600v2 | - | All | All | All |
| Operating System | Schneider-electric | Ecostruxure Panel Server Pas600v2 Firmware | All | All | All | All |
| Operating System | Schneider-electric | Ecostruxure Panel Server Pas600 Firmware | All | All | All | All |
| Hardware | Schneider-electric | Ecostruxure Panel Server Pas800 | - | All | All | All |
| Hardware | Schneider-electric | Ecostruxure Panel Server Pas800v2 | - | All | All | All |
| Operating System | Schneider-electric | Ecostruxure Panel Server Pas800v2 Firmware | All | All | All | All |
| Operating System | Schneider-electric | Ecostruxure Panel Server Pas800 Firmware | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Schneider Electric | EcoStruxure Panel Server | affected Versions 002.005.000 and prior | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| download.schneider-electric.com/files | [email protected] | download.schneider-electric.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.