SEVD-2018-081-01
Vulnerability from csaf_se - Published: 2018-03-22 03:39 - Updated: 2024-08-13 00:00Summary
Embedded FTP Servers for Modicon PAC Controllers
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
At Schneider, we believe access to energy and digital is a basic human right. We empower all to do more with less, ensuring Life Is On everywhere, for everyone, at every moment.
We provide energy and automation digital solutions for efficiency and sustainability. We combine world-leading energy technologies, real-time automation, software and services into integrated solutions for Homes, Buildings, Data Centers, Infrastructure and Industries.
We are committed to unleash the infinite possibilities of an open, global, innovative community that is passionate with our Meaningful Purpose, Inclusive and Empowered values.
www.se.com
Overview
Schneider Electric is aware of multiple vulnerabilities in the FTP servers of its Modicon PAC controllers.
Modicon PACs (Programmable Automation Controllers) control and monitor industrial operations in a sustainable, flexible, efficient, and protected way. Our PLCs and PACs supply edge technology, augmenting it with Ethernet connectivity, built-in cybersecurity, and processing power needed to handle Big Data analysis and protect against new vulnerabilities among connected industrial assets, across devices or into the cloud.
Failure to address these vulnerabilities could result in unauthorized access to your PLC and a denial of service or other malicious activity.
March 2023 Update: Remediation for the Modicon M580 CPU is available for download
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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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"date": "2022-12-13T03:39:21.000Z",
"number": "6.0.0",
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"vulnerabilities": [
{
"cve": "CVE-2018-7240",
"cwe": {
"id": "CWE-522",
"name": "Insufficiently Protected Credentials"
},
"notes": [
{
"category": "description",
"text": "A CWE-522: Insufficiently Protected Credentials vulnerability exists that could cause arbitrary code execution or malicious firmware installation when FTP upgrade feature is enabled. Special command dedicated to firmware upgrade can be called to execute DoS attack. Also, malicious crafted firmware can be transferred and loaded into PLC causing unauthorized code execution.",
"title": "CVE Description"
}
],
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"9",
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],
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"8",
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"details": "Version 3.50 of Modicon M340 includes a fix for CVE-2018-7242 vulnerability and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/ \r\n\r\nCustomers 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. \r\n\r\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit: \r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.",
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"details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\r\n\r\nIf customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\u2022\tEnsure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\r\n\uf0a7\tNOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication",
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"details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
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"details": "If customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\n\u2022\tEnsure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\n",
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"details": "Version 1.7 IR24 of BMXNOR0200H X80 RTU includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOR0200H/\r\n\r\nIf customers choose not to apply the remediation then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
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{
"category": "mitigation",
"details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon X80 Ethernet Communication modules BMXNOE0100 (H). We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"10"
],
"restart_required": {
"category": "none"
}
},
{
"category": "no_fix_planned",
"details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer. \r\n\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information. \r\n\r\nTo mitigate the risks associated to the FTP weaknesses, users should immediately:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"11"
],
"restart_required": {
"category": "none"
}
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"1",
"3",
"5",
"6",
"8",
"10",
"11",
"12",
"13",
"14"
]
}
],
"title": "CVE-2018-7240"
},
{
"acknowledgments": [
{
"names": [
"Kirill Chernyshov",
"Alexey Stennikov "
],
"organization": "Positive Technologies"
},
{
"names": [
"Meng Leizi"
]
},
{
"names": [
"Zhang Daoquan"
]
},
{
"names": [
"Peter Cheng"
],
"organization": "ELEX FEIGONG RESEARCH INSTITUTE"
}
],
"cve": "CVE-2018-7241",
"cwe": {
"id": "CWE-798",
"name": "Use of Hard-coded Credentials"
},
"notes": [
{
"category": "description",
"text": "A CWE-798: Use of Hard-coded Credentials vulnerability exists in the firmware that could cause access by an unauthorized user to the controller when FTP protocol is enabled.",
"title": "CVE Description"
}
],
"product_status": {
"fixed": [
"2",
"4",
"7",
"9",
"15"
],
"known_affected": [
"1",
"3",
"5",
"6",
"8",
"10",
"11",
"12",
"13",
"14"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Version 3.50 of Modicon M340 includes a fix for CVE-2018-7242 vulnerability and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/ \r\n\r\nCustomers 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. \r\n\r\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit: \r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.",
"product_ids": [
"1"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
},
{
"category": "vendor_fix",
"details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\r\n\r\nIf customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\u2022\tEnsure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\r\n\uf0a7\tNOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication",
"product_ids": [
"3"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
},
{
"category": "vendor_fix",
"details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
"product_ids": [
"5"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
},
{
"category": "mitigation",
"details": "If customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\n\u2022\tEnsure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\n",
"product_ids": [
"5"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/QGH60283/"
},
{
"category": "vendor_fix",
"details": "Version 1.7 IR24 of BMXNOR0200H X80 RTU includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOR0200H/\r\n\r\nIf customers choose not to apply the remediation then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"6"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product/BMXNOR0200H/"
},
{
"category": "vendor_fix",
"details": "Version 2.11 of Modicon X80 Ethernet Communication modules BMXNOC0401 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOC0401/\r\n\r\nIf customers choose not to apply the remediation, then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"8"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product/BMXNOC0401/"
},
{
"category": "mitigation",
"details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon X80 Ethernet Communication modules BMXNOE0100 (H). We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"10"
],
"restart_required": {
"category": "none"
}
},
{
"category": "no_fix_planned",
"details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer. \r\n\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information. \r\n\r\nTo mitigate the risks associated to the FTP weaknesses, users should immediately:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"11"
],
"restart_required": {
"category": "none"
}
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"1",
"3",
"5",
"6",
"8",
"10",
"11",
"12",
"13",
"14"
]
}
],
"title": "CVE-2018-7241"
},
{
"acknowledgments": [
{
"names": [
"Kirill Chernyshov",
"Ilya Karpov ",
"Ivan Kurnakov",
"Nikita Maximov"
],
"organization": "Positive Technologies"
}
],
"cve": "CVE-2011-4859",
"cwe": {
"id": "CWE-798",
"name": "Use of Hard-coded Credentials"
},
"notes": [
{
"category": "description",
"text": "A CWE-798: Use of Hard-coded Credentials vulnerability exists in the Operating System that could cause access by an unauthorized user to the controller when FTP protocol is enabled.",
"title": "CVE Description"
}
],
"product_status": {
"fixed": [
"2",
"7",
"9"
],
"known_affected": [
"1",
"6",
"8",
"10",
"11",
"12",
"13"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Version 3.50 of Modicon M340 includes a fix for CVE-2018-7242 vulnerability and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/ \r\n\r\nCustomers 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. \r\n\r\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit: \r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.",
"product_ids": [
"1"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
},
{
"category": "vendor_fix",
"details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\r\n\r\nIf customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\u2022\tEnsure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\r\n\uf0a7\tNOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication",
"product_ids": [
"3"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
},
{
"category": "mitigation",
"details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon M580 CPU Safety that will include a fix for these vulnerabilities. We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\n\u2022\tEnsure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\n",
"product_ids": [
"5"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/QGH60283/"
},
{
"category": "vendor_fix",
"details": "Version 1.7 IR24 of BMXNOR0200H X80 RTU includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOR0200H/\r\n\r\nIf customers choose not to apply the remediation then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"6"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product/BMXNOR0200H/"
},
{
"category": "vendor_fix",
"details": "Version 2.11 of Modicon X80 Ethernet Communication modules BMXNOC0401 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOC0401/\r\n\r\nIf customers choose not to apply the remediation, then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"8"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product/BMXNOC0401/"
},
{
"category": "mitigation",
"details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon X80 Ethernet Communication modules BMXNOE0100 (H). We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"10"
],
"restart_required": {
"category": "none"
}
},
{
"category": "no_fix_planned",
"details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer. \r\n\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information. \r\n\r\nTo mitigate the risks associated to the FTP weaknesses, users should immediately:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"11"
],
"restart_required": {
"category": "none"
}
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"1",
"6",
"8",
"10",
"11",
"12",
"13"
]
}
],
"title": "CVE-2011-4859"
},
{
"acknowledgments": [
{
"names": [
"Ilya Karpov",
"Kirill Chernyshov"
],
"organization": "Positive Technologies"
}
],
"cve": "CVE-2018-7242",
"cwe": {
"id": "CWE-327",
"name": "Use of a Broken or Risky Cryptographic Algorithm"
},
"notes": [
{
"category": "description",
"text": "A CWE-327: Use of a Broken or Risky Cryptographic Algorithm vulnerability exists that could make the algorithm used to encrypt the password vulnerable and make it easier for remote attackers to obtain access when hash collision attacks are executed over Telnet or FTP.",
"title": "CVE Description"
}
],
"product_status": {
"fixed": [
"2",
"7",
"9",
"15"
],
"known_affected": [
"1",
"3",
"5",
"6",
"8",
"10",
"11",
"12",
"13",
"14"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Version 3.50 of Modicon M340 includes a fix for CVE-2018-7242 vulnerability and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/ \r\n\r\nCustomers 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. \r\n\r\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit: \r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.",
"product_ids": [
"1"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
},
{
"category": "vendor_fix",
"details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\r\n\r\nIf customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\u2022\tEnsure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\r\n\uf0a7\tNOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication",
"product_ids": [
"3"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
},
{
"category": "vendor_fix",
"details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
"product_ids": [
"5"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
},
{
"category": "mitigation",
"details": "If customers choose not to apply the remediation, then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed.\r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\n\u2022\tEnsure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\n",
"product_ids": [
"5"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/download/document/QGH60283/"
},
{
"category": "vendor_fix",
"details": "Version 1.7 IR24 of BMXNOR0200H X80 RTU includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOR0200H/\r\n\r\nIf customers choose not to apply the remediation then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"6"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product/BMXNOR0200H/"
},
{
"category": "vendor_fix",
"details": "Version 2.11 of Modicon X80 Ethernet Communication modules BMXNOC0401 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/product/BMXNOC0401/\r\n\r\nIf customers choose not to apply the remediation, then they should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"8"
],
"restart_required": {
"category": "none"
},
"url": "https://www.se.com/ww/en/product/BMXNOC0401/"
},
{
"category": "mitigation",
"details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon X80 Ethernet Communication modules BMXNOE0100 (H). We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"10"
],
"restart_required": {
"category": "none"
}
},
{
"category": "no_fix_planned",
"details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer. \r\n\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information. \r\n\r\nTo mitigate the risks associated to the FTP weaknesses, users should immediately:\r\n\u2022\tSetup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.\r\n\u2022\tDeactivate the FTP service when not needed. \r\n\u2022\tUse Access Control List to restrict communication to the authorized IP addresses. Refer to the Configuring Access Control section in the user manual for each module.\r\n",
"product_ids": [
"11"
],
"restart_required": {
"category": "none"
}
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"1",
"3",
"5",
"6",
"8",
"10",
"11",
"12",
"13",
"14"
]
}
],
"title": "CVE-2018-7242"
}
]
}
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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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