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CVE-2026-81861: CWE-522: Insufficiently Protected Credentials in Schneider Electric SCADAPack 47x

0
Medium
VulnerabilityCVE-2026-81861cvecve-2026-81861cwe-522
Published: 09/11/2026 (09/11/2026, 15:07:48 UTC)
Source: CVE Database V5
Vendor/Project: Schneider Electric
Product: SCADAPack 47x

Description

CVE-2026-81861 is a medium severity vulnerability in Schneider Electric SCADAPack 47x devices involving insufficient protection of credentials. This weakness could lead to exposure of authentication information, potentially allowing unauthorized access to the remote terminal unit (RTU) functionality. No specific affected versions or patches are currently identified.

CVSS v4.0

Score 5.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
Active
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Schneider Electric

SCADAPack 47x

Schneider Electric

SCADAPack 47xi

Schneider Electric

SCADAPack 47xd

Schneider Electric

SCADAPack 470R

Schneider Electric

SCADAPack 57x

Schneider Electric

SCADAPack 3xx

Schneider Electric

SCADAPack 32

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 15:47:52 UTC

Technical Analysis

This vulnerability, classified as CWE-522 (Insufficiently Protected Credentials), affects Schneider Electric SCADAPack 47x devices. It involves inadequate protection of authentication credentials, which could result in their exposure and unauthorized access to RTU functions. The CVSS 4.0 base score is 5.9, indicating a medium severity level. There is no information on affected versions or available patches, and no known exploits in the wild have been reported.

Potential Impact

If exploited, this vulnerability could allow attackers to obtain authentication credentials and gain unauthorized access to the SCADAPack 47x RTU functionality. This could compromise the integrity and availability of the affected devices. However, no active exploitation has been reported to date.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until official fixes are available, monitor Schneider Electric advisories for updates and apply recommended security controls specific to credential protection as advised by the vendor.

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Technical Details

Data Version
5.2
Assigner Short Name
schneider
Date Reserved
2026-08-27T16:49:45.578Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aa41f3091cc7f384856d456

Added to database: 09/11/2026, 15:33:04 UTC

Last enriched: 09/11/2026, 15:47:52 UTC

Last updated: 09/11/2026, 16:41:51 UTC

Views: 5

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