{ "containers": { "cna": { "affected": [ { "product": "ILC1x", "vendor": "Phoenix Contact", "versions": [ { "status": "affected", "version": "ILC1x0 all variants" }, { "status": "affected", "version": "ILC1x1 all variants" } ] } ], "credits": [ { "lang": "en", "value": "This vulnerability was discovered by the Industrial Control Security Laboratory of Qi An Xin Technology Group Inc. from China and reported to CERT@VDE. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication." } ], "datePublic": "2021-06-23T00:00:00", "descriptions": [ { "lang": "en", "value": "Phoenix Contact Classic Line Controllers ILC1x0 and ILC1x1 in all versions/variants are affected by a Denial-of-Service vulnerability. The communication protocols and device access do not feature authentication measures. Remote attackers can use specially crafted IP packets to cause a denial of service on the PLC's network communication module. A successful attack stops all network communication. To restore the network connectivity the device needs to be restarted. The automation task is not affected." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-25T18:26:05", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://cert.vde.com/en-us/advisories/vde-2021-019" } ], "solutions": [ { "lang": "en", "value": "Temporary Fix / Mitigation\n\nPhoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to the Phoenix Contact application note:\nMeasures to protect network-capable devices with Ethernet connection (https://dam-mdc.phoenixcontact.com/asset/156443151564/0a870ae433c19148b80bd760f3a1c1f2/107913_en_03.pdf)" } ], "source": { "advisory": "VDE-2021-019", "defect": [ "VDE-2021-019" ], "discovery": "EXTERNAL" }, "title": "Phoenix Contact: ILC1x Industrial controllers affected by Denial-of-Service vulnerability", "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-06-23T10:00:00.000Z", "ID": "CVE-2021-33541", "STATE": "PUBLIC", "TITLE": "Phoenix Contact: ILC1x Industrial controllers affected by Denial-of-Service vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "ILC1x", "version": { "version_data": [ { "version_affected": "=", "version_name": "ILC1x0", "version_value": "all variants" }, { "version_affected": "=", "version_name": "ILC1x1", "version_value": "all variants" } ] } } ] }, "vendor_name": "Phoenix Contact" } ] } }, "credit": [ { "lang": "eng", "value": "This vulnerability was discovered by the Industrial Control Security Laboratory of Qi An Xin Technology Group Inc. from China and reported to CERT@VDE. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Phoenix Contact Classic Line Controllers ILC1x0 and ILC1x1 in all versions/variants are affected by a Denial-of-Service vulnerability. The communication protocols and device access do not feature authentication measures. Remote attackers can use specially crafted IP packets to cause a denial of service on the PLC's network communication module. A successful attack stops all network communication. To restore the network connectivity the device needs to be restarted. The automation task is not affected." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-770 Allocation of Resources Without Limits or Throttling" } ] } ] }, "references": { "reference_data": [ { "name": "https://cert.vde.com/en-us/advisories/vde-2021-019", "refsource": "CONFIRM", "url": "https://cert.vde.com/en-us/advisories/vde-2021-019" } ] }, "solution": [ { "lang": "en", "value": "Temporary Fix / Mitigation\n\nPhoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to the Phoenix Contact application note:\nMeasures to protect network-capable devices with Ethernet connection (https://dam-mdc.phoenixcontact.com/asset/156443151564/0a870ae433c19148b80bd760f3a1c1f2/107913_en_03.pdf)" } ], "source": { "advisory": "VDE-2021-019", "defect": [ "VDE-2021-019" ], "discovery": "EXTERNAL" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:50:42.996Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://cert.vde.com/en-us/advisories/vde-2021-019" } ] } ] }, "cveMetadata": { "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-33541", "datePublished": "2021-06-25T18:26:05.564115Z", "dateReserved": "2021-05-24T00:00:00", "dateUpdated": "2024-09-16T23:21:50.885Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }