{"containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-06-04T18:42:43.045Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-400", "description": "UNCONTROLLED RESOURCE CONSUMPTION CWE-400", "type": "CWE"}]}], "affected": [{"vendor": "ABB", "product": "1SAP120600R0071 PM554-TP-ETH", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "2700974 ILC 151 ETH", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "ILC 191 ETH 2TX", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Schneider Electric", "product": "Modicon M221", "versions": [{"status": "affected", "version": "0", "lessThan": "v1.10.0.0", "versionType": "custom"}, {"status": "unaffected", "version": "v1.10.0.0"}], "defaultStatus": "unaffected"}, {"vendor": "Schneider Electric", "product": "EcoStruxure Machine Expert \u2013 Basic", "versions": [{"status": "affected", "version": "0", "lessThan": "v1.0", "versionType": "custom"}, {"status": "unaffected", "version": "v1.0"}], "defaultStatus": "unaffected"}, {"vendor": "Siemens", "product": "6ES7211-1AE40-0XB0 Simatic S7-1211", "versions": [{"status": "unaffected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Siemens", "product": "6ES7314-6EH04-0AB0 Simatic S7-314", "versions": [{"status": "unaffected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Siemens", "product": "6ED1052-1CC01-0BA8 Logo! 8", "versions": [{"status": "unaffected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-889 Controller KNX IP", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-8100 Controller PFC100", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-880 Controller ETH", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-831 Controller BACnet/IP", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "ABB, Phoenix Contact, Schneider Electric, Siemens, WAGO - Programmable Logic Controllers, multiple versions. 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This has led to a configuration that does not match the expectations expressed in the test cases and the result is the PLC not reacting as intended. This misconfiguration can be fixed by setting an appropriate combination of task priority, task cycle time, and watchdog settings. Please see the \u201cOnboard Ethernet Handling in CPU Firmware\u201d chapter (System Technology for AC500 V2 Products > System Technology of CPU and Overall System > Onboard Technologies > Ethernet > Ethernet Protocols and Ports for AC500 V2 Products > Onboard Ethernet Handling in CPU Firmware) for further guidance.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>ABB concludes the reported behavior is not a vulnerability but is due to a misconfiguration of the PLC watchdog, which was left in the default factory settings. This has led to a configuration that does not match the expectations expressed in the test cases and the result is the PLC not reacting as intended. This misconfiguration can be fixed by setting an appropriate combination of task priority, task cycle time, and watchdog settings. Please see the \u201cOnboard Ethernet Handling in CPU Firmware\u201d chapter (System Technology for AC500 V2 Products &gt; System Technology of CPU and Overall System &gt; Onboard Technologies &gt; Ethernet &gt; Ethernet Protocols and Ports for AC500 V2 Products &gt; Onboard Ethernet Handling in CPU Firmware) for further guidance.</span>"}]}, {"lang": "en", "value": "Phoenix Contact acknowledges this as a \u201cknown, won\u2019t fix\u201d issue for old products. Currently available products provide countermeasures to mitigate the impact on the safety-related functionality. Phoenix Contact urges users to adhere to the\u00a0Application note 107913_en_01.\n\n\n\nMore information can be found in the\u00a0 VDE CERT advisory https://cert.vde.com/en-us/advisories/vde-2018-012 .", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Phoenix Contact acknowledges this as a \u201cknown, won\u2019t fix\u201d issue for old products. Currently available products provide countermeasures to mitigate the impact on the safety-related functionality. Phoenix Contact urges users to adhere to the&nbsp;Application note 107913_en_01.</p><p>More information can be found in the<span>&nbsp;</span><a href=\"https://cert.vde.com/en-us/advisories/vde-2018-012\">VDE CERT advisory</a>.</p>"}]}, {"lang": "en", "value": "Siemens has investigated the vulnerability report on PLC cycle time influences and concludes the report does not demonstrate a valid vulnerability for Siemens PLCs.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>Siemens has investigated the vulnerability report on PLC cycle time influences and concludes the report does not demonstrate a valid vulnerability for Siemens PLCs.</span>"}]}, {"lang": "en", "value": "WAGO recommends users operate the devices in closed networks or protect them with a firewall against unauthorized access. Another recommended mitigation is to limit network traffic via the switch rate limit feature according to application needs.\nPlease also consult the product manuals on the WAGO website, as this is a known problem for some devices. Links to product manuals and specific instructions about how to limit switch rates can be found in the\u00a0 VDE CERT advisory https://cert.vde.com/de-de/advisories/vde-2018-013 .", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>WAGO recommends users operate the devices in closed networks or protect them with a firewall against unauthorized access. Another recommended mitigation is to limit network traffic via the switch rate limit feature according to application needs.</span><br><span>Please also consult the product manuals on the WAGO website, as this is a known problem for some devices. Links to product manuals and specific instructions about how to limit switch rates can be found in the<span>&nbsp;</span></span><a href=\"https://cert.vde.com/de-de/advisories/vde-2018-013\">VDE CERT advisory</a><span>.</span>"}]}], "solutions": [{"lang": "en", "value": "Fixes are available in\u00a0 Schneider Electric\n\nModicon M221 firmware v1.10.0.0 and EcoStruxure Machine Expert \u2013 Basic v1.0 software (formerly SoMachine Basic) using either of the following options:\n\nUse this link to download the Machine Expert Basic software.\n\n\n\nOr run the Schneider Electric Software Update tool in order to download and install EcoStruxure Machine Expert \u2013 Basic v1.0 software.\n\n\n\nFor additional information, see the Schneider Electric security notice SEVD-2019-045-01. (https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-045-01)\n\n\n\nSchneider Electric strongly recommends following industry cybersecurity best practices, such as:\n\n * Physical controls should be in place so no unauthorized person would have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.\n * All controllers should reside in locked cabinets and never be left in the \u201cProgram\u201d mode.\n * All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the devices it is intended.\n * All methods of mobile data exchange with the isolated network (e.g., CDs, USB drives, etc.) should be scanned before use in terminals or any node connected to these networks.\n * Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Fixes are available in&nbsp; Schneider Electric\n\nModicon M221 firmware v1.10.0.0 and EcoStruxure Machine Expert \u2013 Basic v1.0 software (formerly SoMachine Basic) using either of the following options:<br><br>Use this link to download the Machine Expert Basic software.</p><p>Or run the Schneider Electric Software Update tool in order to download and install EcoStruxure Machine Expert \u2013 Basic v1.0 software.</p><p>For additional information, see the Schneider Electric security notice SEVD-2019-045-01. (https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-045-01)</p><p>Schneider Electric strongly recommends following industry cybersecurity best practices, such as:</p><ul><li>Physical controls should be in place so no unauthorized person would have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.</li><li>All controllers should reside in locked cabinets and never be left in the \u201cProgram\u201d mode.</li><li>All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the devices it is intended.</li><li>All methods of mobile data exchange with the isolated network (e.g., CDs, USB drives, etc.) should be scanned before use in terminals or any node connected to these networks.</li><li>Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.</li></ul>"}]}], "credits": [{"lang": "en", "value": "Matthias Niedermaier (Hochschule Augsburg), Jan-Ole Malchow (Freie Universita\u0308t Berlin), and Florian Fischer (Hochschule Augsburg) reported this vulnerability to CISA.", "type": "finder"}, {"lang": "en", "value": "Mikael Vingaard found and reported to CISA additional devices containing this vulnerability.", "type": "finder"}], "source": {"advisory": "ICSA-19-106-03", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2019-10953", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ABB, Phoenix Contact, Schneider Electric, Siemens, WAGO - Programmable Logic Controllers", "version": {"version_data": [{"version_value": "Multiple"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ABB, Phoenix Contact, Schneider Electric, Siemens, WAGO - Programmable Logic Controllers, multiple versions. 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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-106-03", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "http://www.securityfocus.com/bid/108413", "name": "108413", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T22:40:15.294Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2019-10953", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-29T14:42:08.076750Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-29T14:44:03.308Z"}}], "cna": {"source": {"advisory": "ICSA-19-106-03", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Matthias Niedermaier (Hochschule Augsburg), Jan-Ole Malchow (Freie Universita\u0308t Berlin), and Florian Fischer (Hochschule Augsburg) reported this vulnerability to CISA."}, {"lang": "en", "type": "finder", "value": "Mikael Vingaard found and reported to CISA additional devices containing this vulnerability."}], "affected": [{"vendor": "ABB", "product": "1SAP120600R0071 PM554-TP-ETH", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "2700974 ILC 151 ETH", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "ILC 191 ETH 2TX", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Schneider Electric", "product": "Modicon M221", "versions": [{"status": "affected", "version": "0", "lessThan": "v1.10.0.0", "versionType": "custom"}, {"status": "unaffected", "version": "v1.10.0.0"}], "defaultStatus": "unaffected"}, {"vendor": "Schneider Electric", "product": "EcoStruxure Machine Expert \u2013 Basic", "versions": [{"status": "affected", "version": "0", "lessThan": "v1.0", "versionType": "custom"}, {"status": "unaffected", "version": "v1.0"}], "defaultStatus": "unaffected"}, {"vendor": "Siemens", "product": "6ES7211-1AE40-0XB0 Simatic S7-1211", "versions": [{"status": "unaffected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Siemens", "product": "6ES7314-6EH04-0AB0 Simatic S7-314", "versions": [{"status": "unaffected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "Siemens", "product": "6ED1052-1CC01-0BA8 Logo! 8", "versions": [{"status": "unaffected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-889 Controller KNX IP", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-8100 Controller PFC100", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-880 Controller ETH", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}, {"vendor": "WAGO", "product": "750-831 Controller BACnet/IP", "versions": [{"status": "affected", "version": "Multiple"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Fixes are available in\u00a0 Schneider Electric\n\nModicon M221 firmware v1.10.0.0 and EcoStruxure Machine Expert \u2013 Basic v1.0 software (formerly SoMachine Basic) using either of the following options:\n\nUse this link to download the Machine Expert Basic software.\n\n\n\nOr run the Schneider Electric Software Update tool in order to download and install EcoStruxure Machine Expert \u2013 Basic v1.0 software.\n\n\n\nFor additional information, see the Schneider Electric security notice SEVD-2019-045-01. (https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-045-01)\n\n\n\nSchneider Electric strongly recommends following industry cybersecurity best practices, such as:\n\n * Physical controls should be in place so no unauthorized person would have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.\n * All controllers should reside in locked cabinets and never be left in the \u201cProgram\u201d mode.\n * All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the devices it is intended.\n * All methods of mobile data exchange with the isolated network (e.g., CDs, USB drives, etc.) should be scanned before use in terminals or any node connected to these networks.\n * Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.", "supportingMedia": [{"type": "text/html", "value": "<p>Fixes are available in&nbsp; Schneider Electric\n\nModicon M221 firmware v1.10.0.0 and EcoStruxure Machine Expert \u2013 Basic v1.0 software (formerly SoMachine Basic) using either of the following options:<br><br>Use this link to download the Machine Expert Basic software.</p><p>Or run the Schneider Electric Software Update tool in order to download and install EcoStruxure Machine Expert \u2013 Basic v1.0 software.</p><p>For additional information, see the Schneider Electric security notice SEVD-2019-045-01. (https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-045-01)</p><p>Schneider Electric strongly recommends following industry cybersecurity best practices, such as:</p><ul><li>Physical controls should be in place so no unauthorized person would have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.</li><li>All controllers should reside in locked cabinets and never be left in the \u201cProgram\u201d mode.</li><li>All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the devices it is intended.</li><li>All methods of mobile data exchange with the isolated network (e.g., CDs, USB drives, etc.) should be scanned before use in terminals or any node connected to these networks.</li><li>Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.</li></ul>", "base64": false}]}], "references": [{"url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-106-03"}, {"url": "http://www.securityfocus.com/bid/108413", "name": "108413", "tags": ["vdb-entry", "x_refsource_BID"]}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2019/icsa-19-106-03.json"}], "workarounds": [{"lang": "en", "value": "ABB concludes the reported behavior is not a vulnerability but is due to a misconfiguration of the PLC watchdog, which was left in the default factory settings. This has led to a configuration that does not match the expectations expressed in the test cases and the result is the PLC not reacting as intended. This misconfiguration can be fixed by setting an appropriate combination of task priority, task cycle time, and watchdog settings. Please see the \u201cOnboard Ethernet Handling in CPU Firmware\u201d chapter (System Technology for AC500 V2 Products > System Technology of CPU and Overall System > Onboard Technologies > Ethernet > Ethernet Protocols and Ports for AC500 V2 Products > Onboard Ethernet Handling in CPU Firmware) for further guidance.", "supportingMedia": [{"type": "text/html", "value": "<span>ABB concludes the reported behavior is not a vulnerability but is due to a misconfiguration of the PLC watchdog, which was left in the default factory settings. This has led to a configuration that does not match the expectations expressed in the test cases and the result is the PLC not reacting as intended. This misconfiguration can be fixed by setting an appropriate combination of task priority, task cycle time, and watchdog settings. Please see the \u201cOnboard Ethernet Handling in CPU Firmware\u201d chapter (System Technology for AC500 V2 Products &gt; System Technology of CPU and Overall System &gt; Onboard Technologies &gt; Ethernet &gt; Ethernet Protocols and Ports for AC500 V2 Products &gt; Onboard Ethernet Handling in CPU Firmware) for further guidance.</span>", "base64": false}]}, {"lang": "en", "value": "Phoenix Contact acknowledges this as a \u201cknown, won\u2019t fix\u201d issue for old products. Currently available products provide countermeasures to mitigate the impact on the safety-related functionality. Phoenix Contact urges users to adhere to the\u00a0Application note 107913_en_01.\n\n\n\nMore information can be found in the\u00a0 VDE CERT advisory https://cert.vde.com/en-us/advisories/vde-2018-012 .", "supportingMedia": [{"type": "text/html", "value": "<p>Phoenix Contact acknowledges this as a \u201cknown, won\u2019t fix\u201d issue for old products. Currently available products provide countermeasures to mitigate the impact on the safety-related functionality. Phoenix Contact urges users to adhere to the&nbsp;Application note 107913_en_01.</p><p>More information can be found in the<span>&nbsp;</span><a href=\"https://cert.vde.com/en-us/advisories/vde-2018-012\">VDE CERT advisory</a>.</p>", "base64": false}]}, {"lang": "en", "value": "Siemens has investigated the vulnerability report on PLC cycle time influences and concludes the report does not demonstrate a valid vulnerability for Siemens PLCs.", "supportingMedia": [{"type": "text/html", "value": "<span>Siemens has investigated the vulnerability report on PLC cycle time influences and concludes the report does not demonstrate a valid vulnerability for Siemens PLCs.</span>", "base64": false}]}, {"lang": "en", "value": "WAGO recommends users operate the devices in closed networks or protect them with a firewall against unauthorized access. Another recommended mitigation is to limit network traffic via the switch rate limit feature according to application needs.\nPlease also consult the product manuals on the WAGO website, as this is a known problem for some devices. Links to product manuals and specific instructions about how to limit switch rates can be found in the\u00a0 VDE CERT advisory https://cert.vde.com/de-de/advisories/vde-2018-013 .", "supportingMedia": [{"type": "text/html", "value": "<span>WAGO recommends users operate the devices in closed networks or protect them with a firewall against unauthorized access. Another recommended mitigation is to limit network traffic via the switch rate limit feature according to application needs.</span><br><span>Please also consult the product manuals on the WAGO website, as this is a known problem for some devices. 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