{ "containers": { "cna": { "affected": [ { "product": "FL COMSERVER", "vendor": "Phoenix Contact", "versions": [ { "lessThan": "2.40", "status": "affected", "version": "UNI 232/422/485 (2313452)", "versionType": "custom" }, { "lessThan": "2.40", "status": "affected", "version": "UNI 232/422/485-T (2904817)", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "This vulnerability was found by Petri Tuomio and reported to PHOENIX CONTACT by Waertsilae PSIRT. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication." } ], "datePublic": "2021-06-23T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service." } ], "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-772", "description": "CWE-772 Missing Release of Resource after Effective Lifetime", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-25T18:25:50.000Z", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://cert.vde.com/en-us/advisories/vde-2021-022" } ], "solutions": [ { "lang": "en", "value": "Upgrade to the latest firmware, fixed firmware includes versions >= 2.41." } ], "source": { "advisory": "VDE-2021-022", "defect": [ "VDE-2021-022" ], "discovery": "EXTERNAL" }, "title": "Denial of Service in Phoenix Contact FL COMSERVER UNI products", "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-2021-21002", "STATE": "PUBLIC", "TITLE": "Denial of Service in Phoenix Contact FL COMSERVER UNI products" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "FL COMSERVER", "version": { "version_data": [ { "version_affected": "<", "version_name": "UNI 232/422/485 (2313452)", "version_value": "2.40" }, { "version_affected": "<", "version_name": "UNI 232/422/485-T (2904817)", "version_value": "2.40" } ] } } ] }, "vendor_name": "Phoenix Contact" } ] } }, "credit": [ { "lang": "eng", "value": "This vulnerability was found by Petri Tuomio and reported to PHOENIX CONTACT by Waertsilae PSIRT. 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": "In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service." } ] }, "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-772 Missing Release of Resource after Effective Lifetime" } ] } ] }, "references": { "reference_data": [ { "name": "https://cert.vde.com/en-us/advisories/vde-2021-022", "refsource": "CONFIRM", "url": "https://cert.vde.com/en-us/advisories/vde-2021-022" } ] }, "solution": [ { "lang": "en", "value": "Upgrade to the latest firmware, fixed firmware includes versions >= 2.41." } ], "source": { "advisory": "VDE-2021-022", "defect": [ "VDE-2021-022" ], "discovery": "EXTERNAL" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:23.033Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://cert.vde.com/en-us/advisories/vde-2021-022" } ] } ] }, "cveMetadata": { "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-21002", "datePublished": "2021-06-25T18:25:50.373Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-09-17T03:58:42.845Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }