EUVD-2026-76131
GHSA-qf5h-x8xh-fc35
Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/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
Network-interceptable credential exposure requiring specific attacker positioning (AC:H) and user authentication action (UI:R); confidentiality-only impact with no integrity or availability consequence.
Primary rating from Vendor (schneider).
CVSS VectorVendor: schneider
Lifecycle Timeline
2DescriptionCVE.org
CWE-522: Insufficiently Protected Credentials vulnerability that could result in exposure of authentication information and unauthorized access to RTU functionality.
AnalysisAI
Credential interception vulnerability in Schneider Electric SCADAPack RTUs (Remote Terminal Units) exposes authentication information over the network, enabling unauthorized access to RTU functionality. Affected products span the SCADAPack 3xx, 32, 47x/470R, and 57x families - all version ranges per CPE wildcards - used extensively in critical infrastructure sectors such as oil and gas pipelines, water systems, and electrical utilities. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to achieve a network-level interception position between the client (engineering workstation or SCADA host) and the SCADAPack RTU - consistent with the CVSS 4.0 AT:P (Presence) attack requirement. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The published CVSS 4.0 score of 5.9 reflects meaningful real-world friction: AT:P (specific attack requirement, such as network interception capability) and UI:A (active user interaction required) significantly constrain opportunistic exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult Schneider Electric Security Notice SEVD-2026-251-03 (https://download.se.com/files?p_Doc_Ref=SEVD-2026-251-03) for vendor-issued patches or firmware updates; no specific fixed version is independently confirmed from available CPE data, so the advisory is the definitive source. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-522 – Insufficiently Protected Credentials
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External POC / Exploit Code
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