{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-20599", "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "assignerShortName": "Mitsubishi", "dateUpdated": "2024-08-03T17:45:44.681Z", "dateReserved": "2020-12-17T00:00:00.000Z", "datePublished": "2021-10-14T00:00:00.000Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "MELSEC iQ-R Series Safety CPU R08SFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"26\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R series Safety CPU R16SFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"26\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R series Safety CPU R32SFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"26\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R series Safety CPU R120SFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"26\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"11\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R series SIL2 Process CPU R16PSFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"11\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R series SIL2 Process CPU R32PSFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"11\" and prior" } ] }, { "defaultStatus": "unaffected", "product": "MELSEC iQ-R series SIL2 Process CPU R120PSFCPU", "vendor": "Mitsubishi Electric Corporation", "versions": [ { "status": "affected", "version": "Firmware versions \"11\" and prior" } ] } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions \"26\" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password." } ], "value": "Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions \"26\" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password." } ], "impacts": [ { "capecId": "CAPEC-115", "descriptions": [ { "lang": "en", "value": "CAPEC-115 Authentication Bypass" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-319", "description": "CWE-319 Cleartext Transmission of Sensitive Information", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi", "dateUpdated": "2024-04-18T05:28:04.068Z" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf" }, { "tags": [ "government-resource" ], "url": "https://jvn.jp/vu/JVNVU98578731" }, { "tags": [ "government-resource" ], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-20599", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2024-04-22T20:51:10.357119Z" } } } ], "affected": [ { "cpes": [ "cpe:2.3:h:mitsubishielectric:melsec_iq-r08sfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "melsec_iq-r08sfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r16sfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r32sfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r120sfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r08psfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r16psfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r32psfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:*" ], "vendor": "mitsubishielectric", "product": "r120psfcpu", "versions": [ { "status": "affected", "version": "-" } ], "defaultStatus": "unknown" } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:12:41.515Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:44.681Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf" }, { "tags": [ "government-resource", "x_transferred" ], "url": "https://jvn.jp/vu/JVNVU98578731" }, { "tags": [ "government-resource", "x_transferred" ], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03" } ] } ] } }