CVE-2021-47664

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47664", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "state": "PUBLISHED", "assignerShortName": "CERTVDE", "dateReserved": "2025-03-17T08:25:16.736Z", "datePublished": "2025-04-24T09:25:39.181Z", "dateUpdated": "2025-04-24T15:22:17.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Franka Emika Robot", "vendor": "Franka Robotics", "versions": [{"lessThanOrEqual": "4.0.3", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Siegfried Hollerer by TU Wien"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames."}], "value": "Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-203", "description": "CWE-203: Observable Discrepancy", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2025-04-24T09:25:39.181Z"}, "references": [{"url": "https://www.sciencedirect.com/science/article/pii/S2351978921001657"}], "source": {"defect": ["CERT@VDE#641761"], "discovery": "UNKNOWN"}, "title": "Enumeration of valid user names", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-24T13:46:45.931265Z", "id": "CVE-2021-47664", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-24T15:22:17.000Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47664", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-24T13:46:45.931265Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-24T13:48:08.228Z"}}], "cna": {"title": "Enumeration of valid user names", "source": {"defect": ["CERT@VDE#641761"], "discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Siegfried Hollerer by TU Wien"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Franka Robotics", "product": "Franka Emika Robot", "versions": [{"status": "affected", "version": "0.0.0", "versionType": "semver", "lessThanOrEqual": "4.0.3"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.sciencedirect.com/science/article/pii/S2351978921001657"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames.", "supportingMedia": [{"type": "text/html", "value": "Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-203", "description": "CWE-203: Observable Discrepancy"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2025-04-24T09:25:39.181Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47664", "state": "PUBLISHED", "dateUpdated": "2025-04-24T15:22:17.000Z", "dateReserved": "2025-03-17T08:25:16.736Z", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "datePublished": "2025-04-24T09:25:39.181Z", "assignerShortName": "CERTVDE"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Franka Emika Robot", "vendor": "Franka Robotics", "versions": [{"lessThanOrEqual": "4.0.3", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}], "source": "info@cert.vde.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames."}, {"lang": "es", "value": "Debido a un mecanismo de autenticaci\u00f3n inadecuado, un atacante remoto no autenticado puede enumerar nombres de usuario v\u00e1lidos."}], "id": "CVE-2021-47664", "lastModified": "2026-06-17T04:18:16.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "info@cert.vde.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-47664", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-24T13:46:45.931265Z", "version": "2.0.3"}}]}, "published": "2025-04-24T10:15:16.880", "references": [{"source": "info@cert.vde.com", "url": "https://www.sciencedirect.com/science/article/pii/S2351978921001657"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "info@cert.vde.com", "type": "Secondary"}]}

{}

{}