SEVD-2025-224-03
Vulnerability from csaf_se - Published: 2025-08-12 04:00 - Updated: 2025-09-09 04:00Summary
Schneider Electric Software Update
Notes
General Security Recommendations
We strongly recommend the following industry cybersecurity best practices.
https://www.se.com/us/en/download/document/7EN52-0390/
* Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network.
* Install physical controls so no unauthorized personnel can access your industrial control and safety systems, components, peripheral equipment, and networks.
* Place all controllers in locked cabinets and never leave them in the “Program” mode.
* Never connect programming software to any network other than the network intended for that device.
* Scan all methods of mobile data exchange with the isolated network such as CDs, USB drives, etc. before use in the terminals or any node connected to these networks.
* Never allow mobile devices that have connected to any other network besides the intended network to connect to the safety or control networks without proper sanitation.
* Minimize network exposure for all control system devices and systems and ensure that they are not accessible from the Internet.
* When remote access is required, use secure methods, such as Virtual Private Networks (VPNs). Recognize that VPNs may have vulnerabilities and should be updated to the most current version available. Also, understand that VPNs are only as secure as the connected devices.
For more information refer to the Schneider Electric Recommended Cybersecurity Best Practices document.
For More Information
This document provides an overview of the identified vulnerability or vulnerabilities and actions required to mitigate. For more details and assistance on how to protect your installation, contact your local Schneider Electric representative or Schneider Electric Industrial Cybersecurity Services: https://www.se.com/ww/en/work/solutions/cybersecurity/. These organizations will be fully aware of this situation and can support you through the process.
For further information related to cybersecurity in Schneider Electric’s products, visit the company’s cybersecurity support portal page: https://www.se.com/ww/en/work/support/cybersecurity/overview.jsp
LEGAL DISCLAIMER
THIS NOTIFICATION DOCUMENT, THE INFORMATION CONTAINED HEREIN, AND ANY MATERIALS LINKED FROM IT (COLLECTIVELY, THIS “NOTIFICATION”) ARE INTENDED TO HELP PROVIDE AN OVERVIEW OF THE IDENTIFIED SITUATION AND SUGGESTED MITIGATION ACTIONS, REMEDIATION, FIX, AND/OR GENERAL SECURITY RECOMMENDATIONS AND IS PROVIDED ON AN “AS-IS” BASIS WITHOUT WARRANTY OR GUARANTEE OF ANY KIND. SCHNEIDER ELECTRIC DISCLAIMS ALL WARRANTIES RELATING TO THIS NOTIFICATION, EITHER EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SCHNEIDER ELECTRIC MAKES NO WARRANTY THAT THE NOTIFICATION WILL RESOLVE THE IDENTIFIED SITUATION. IN NO EVENT SHALL SCHNEIDER ELECTRIC BE LIABLE FOR ANY DAMAGES OR LOSSES WHATSOEVER IN CONNECTION WITH THIS NOTIFICATION, INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF SCHNEIDER ELECTRIC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. YOUR USE OF THIS NOTIFICATION IS AT YOUR OWN RISK, AND YOU ARE SOLELY LIABLE FOR ANY DAMAGES TO YOUR SYSTEMS OR ASSETS OR OTHER LOSSES THAT MAY RESULT FROM YOUR USE OF THIS NOTIFICATION. SCHNEIDER ELECTRIC RESERVES THE RIGHT TO UPDATE OR CHANGE THIS NOTIFICATION AT ANY TIME AND IN ITS SOLE DISCRETION
About Schneider Electric
Schneider's purpose is to create Impact by empowering all to make the most of our energy and resources, bridging progress and
sustainability for all. We call this Life Is On.
Our mission is to be the trusted partner in Sustainability and Efficiency.
We are a global industrial technology leader bringing world-leading expertise in electrification, automation and digitization to smart
industries, resilient infrastructure, future-proof data centers, intelligent buildings, and intuitive homes. Anchored by our deep
domain expertise, we provide integrated end-to-end lifecycle AI enabled Industrial IoT solutions with connected products, automation,
software and services, delivering digital twins to enable profitable growth for our customers.
We are a people company with an ecosystem of 150,000 colleagues and more than a million partners operating in over 100 countries
to ensure proximity to our customers and stakeholders. We embrace diversity and inclusion in everything we do, guided by our
meaningful purpose of a sustainable future for all.
www.se.com
Overview
Schneider Electric is aware of a vulnerability in the Schneider Electric Software Update product (also referred
to as “SESU”).
The main purpose of the SESU software is to notify customers on the availability of hotfixes or new versions to
download and install such updates.
Failure to apply the fix provided below may risk attacker to write arbitrary data into protected locations,
potentially leading to privilege escalation, arbitrary file corruption, exposure of application and system
information or a persistent denial of service condition.
Customers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric’s Customer Care Center if you need assistance removing a patch.
The severity of vulnerabilities was calculated using the CVSS Base metrics for 4.0 (CVSS v4.0-https://www.first.org/cvss/calculator/4.0). CVSS v3.1
will be still evaluated until the adoption of CVSS v4.0 by the industry. The severity was calculated without incorporating the Temporal and Environmental metrics. Schneider Electric recommends that customers score the CVSS Environmental metrics, which are specific to end-user organizations, and consider factors such as the presence of mitigations in that environment. Environmental metrics may refine the relative severity posed by the vulnerabilities described in this document within a customer’s environment
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"category": "general",
"text": "We strongly recommend the following industry cybersecurity best practices.\n\nhttps://www.se.com/us/en/download/document/7EN52-0390/\n* Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network.\n* Install physical controls so no unauthorized personnel can access your industrial control and safety systems, components, peripheral equipment, and networks.\n* Place all controllers in locked cabinets and never leave them in the \u201cProgram\u201d mode.\n* Never connect programming software to any network other than the network intended for that device.\n* Scan all methods of mobile data exchange with the isolated network such as CDs, USB drives, etc. before use in the terminals or any node connected to these networks.\n* Never allow mobile devices that have connected to any other network besides the intended network to connect to the safety or control networks without proper sanitation.\n* Minimize network exposure for all control system devices and systems and ensure that they are not accessible from the Internet.\n* When remote access is required, use secure methods, such as Virtual Private Networks (VPNs). Recognize that VPNs may have vulnerabilities and should be updated to the most current version available. Also, understand that VPNs are only as secure as the connected devices.\nFor more information refer to the Schneider Electric Recommended Cybersecurity Best Practices document. \n",
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"text": "THIS NOTIFICATION DOCUMENT, THE INFORMATION CONTAINED HEREIN, AND ANY MATERIALS LINKED FROM IT (COLLECTIVELY, THIS \u201cNOTIFICATION\u201d) ARE INTENDED TO HELP PROVIDE AN OVERVIEW OF THE IDENTIFIED SITUATION AND SUGGESTED MITIGATION ACTIONS, REMEDIATION, FIX, AND/OR GENERAL SECURITY RECOMMENDATIONS AND IS PROVIDED ON AN \u201cAS-IS\u201d BASIS WITHOUT WARRANTY OR GUARANTEE OF ANY KIND. SCHNEIDER ELECTRIC DISCLAIMS ALL WARRANTIES RELATING TO THIS NOTIFICATION, EITHER EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SCHNEIDER ELECTRIC MAKES NO WARRANTY THAT THE NOTIFICATION WILL RESOLVE THE IDENTIFIED SITUATION. IN NO EVENT SHALL SCHNEIDER ELECTRIC BE LIABLE FOR ANY DAMAGES OR LOSSES WHATSOEVER IN CONNECTION WITH THIS NOTIFICATION, INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF SCHNEIDER ELECTRIC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. YOUR USE OF THIS NOTIFICATION IS AT YOUR OWN RISK, AND YOU ARE SOLELY LIABLE FOR ANY DAMAGES TO YOUR SYSTEMS OR ASSETS OR OTHER LOSSES THAT MAY RESULT FROM YOUR USE OF THIS NOTIFICATION. SCHNEIDER ELECTRIC RESERVES THE RIGHT TO UPDATE OR CHANGE THIS NOTIFICATION AT ANY TIME AND IN ITS SOLE DISCRETION",
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"text": "Schneider\u0027s purpose is to create Impact by empowering all to make the most of our energy and resources, bridging progress and\r\nsustainability for all. We call this Life Is On.\n\nOur mission is to be the trusted partner in Sustainability and Efficiency.\n\nWe are a global industrial technology leader bringing world-leading expertise in electrification, automation and digitization to smart\r\nindustries, resilient infrastructure, future-proof data centers, intelligent buildings, and intuitive homes. Anchored by our deep\r\ndomain expertise, we provide integrated end-to-end lifecycle AI enabled Industrial IoT solutions with connected products, automation,\r\nsoftware and services, delivering digital twins to enable profitable growth for our customers.\n\nWe are a people company with an ecosystem of 150,000 colleagues and more than a million partners operating in over 100 countries\r\nto ensure proximity to our customers and stakeholders. We embrace diversity and inclusion in everything we do, guided by our\r\nmeaningful purpose of a sustainable future for all. \n\n www.se.com",
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"text": "Schneider Electric is aware of a vulnerability in the Schneider Electric Software Update product (also referred \r\nto as \u201cSESU\u201d). \r\nThe main purpose of the SESU software is to notify customers on the availability of hotfixes or new versions to\r\ndownload and install such updates.\r\nFailure to apply the fix provided below may risk attacker to write arbitrary data into protected locations, \r\npotentially leading to privilege escalation, arbitrary file corruption, exposure of application and system \r\ninformation or a persistent denial of service condition.",
"title": "Overview"
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"text": "Customers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch. "
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},
{
"category": "installed_on",
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"name": "Schneider Electric SESU Versions prior to v3.0.12 installed on Schneider Electric SoMove",
"product_id": "52"
},
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},
{
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{
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},
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},
{
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},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Automation Expert",
"product_id": "57"
},
"product_reference": "2",
"relates_to_product_reference": "7"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric Harmony XB5S Soft",
"product_id": "58"
},
"product_reference": "2",
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric eXLhoist Configuration Software",
"product_id": "59"
},
"product_reference": "2",
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},
{
"category": "installed_on",
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},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Machine Expert",
"product_id": "61"
},
"product_reference": "2",
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Machine Expert Basic",
"product_id": "62"
},
"product_reference": "2",
"relates_to_product_reference": "12"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Automation Expert Motion",
"product_id": "63"
},
"product_reference": "2",
"relates_to_product_reference": "13"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Operator Terminal Expert",
"product_id": "64"
},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Control Expert",
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},
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},
{
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},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Process Expert for AVEVA System Platform",
"product_id": "67"
},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Architecture Builder",
"product_id": "68"
},
"product_reference": "2",
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Machine Expert HVAC",
"product_id": "69"
},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Power Operations (EPO)",
"product_id": "70"
},
"product_reference": "2",
"relates_to_product_reference": "20"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Power Commission Desktop (EPC)",
"product_id": "71"
},
"product_reference": "2",
"relates_to_product_reference": "21"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Microgrid Operations Medium",
"product_id": "72"
},
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric EcoStruxure\u2122 Microgrid Flex",
"product_id": "73"
},
"product_reference": "2",
"relates_to_product_reference": "23"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric PowerLogic\u2122 P5",
"product_id": "74"
},
"product_reference": "2",
"relates_to_product_reference": "24"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric PowerLogic\u2122 P7",
"product_id": "75"
},
"product_reference": "2",
"relates_to_product_reference": "25"
},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric ZelioSoft 2",
"product_id": "76"
},
"product_reference": "2",
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},
{
"category": "installed_on",
"full_product_name": {
"name": "Schneider Electric SESU Version 3.0.12 installed on Schneider Electric SoMove",
"product_id": "77"
},
"product_reference": "2",
"relates_to_product_reference": "27"
}
]
},
"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Sheikh Rishad"
]
}
],
"cve": "CVE-2025-5296",
"cwe": {
"id": "CWE-59",
"name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
},
"notes": [
{
"category": "description",
"text": "CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027) vulnerability exists that could cause \r\narbitrary data to be written to protected locations, potentially leading to escalation of privilege, arbitrary file \r\ncorruption, exposure of application and system information or persistent denial of service when a low-privileged \r\nattacker tampers with the installation folder. ",
"title": "CVE Description"
}
],
"product_status": {
"fixed": [
"2",
"53",
"54",
"55",
"56",
"57",
"58",
"59",
"60",
"61",
"62",
"63",
"64",
"65",
"66",
"67",
"68",
"69",
"70",
"71",
"72",
"73",
"74",
"75",
"76",
"77"
],
"known_affected": [
"1",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
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"42",
"43",
"44",
"45",
"46",
"47",
"48",
"49",
"50",
"51",
"52"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Version 3.0.12 of SESU includes a fix for this \r\nvulnerability and is available for download here:\r\nhttps://www.seupdate.schneider\u0002electric.com/download/SystemConsistency/Soft\r\nwareUpdate/SESU_latest_version/SESU_latest\r\n_setup_sfx.exe\r\nFollow the installation instructions.\r\nIf a predecessor version of SESU is already \r\ninstalled, then the update to V3.0.12 will be done \r\nautomatically as a critical update in the \r\nbackground depending on the \u201cautomatic\u201d update \r\nconfiguration.",
"product_ids": [
"1",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"40",
"41",
"42",
"43",
"44",
"45",
"46",
"47",
"48",
"49",
"50",
"51",
"52"
],
"restart_required": {
"category": "none"
},
"url": "https://www.seupdate.schneider-electric.com/download/SystemConsistency/SoftwareUpdate/SESU_latest_version/SESU_latest_setup_sfx.exe"
},
{
"category": "mitigation",
"details": "If customers choose not to apply the remediation provided above, they should immediately apply the following \r\nmitigations to reduce the risk of exploit: \r\nSESU Installation Directory (chosen by the customer at \r\ninstallation time) should not be accessible from the network and \r\nonly by trusted persons.",
"product_ids": [
"1",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"40",
"41",
"42",
"43",
"44",
"45",
"46",
"47",
"48",
"49",
"50",
"51",
"52"
],
"restart_required": {
"category": "none"
}
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
"version": "3.1"
},
"products": [
"1",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"40",
"41",
"42",
"43",
"44",
"45",
"46",
"47",
"48",
"49",
"50",
"51",
"52"
]
}
],
"title": "CVE-2025-5296"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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