{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-20594",
        "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
        "assignerShortName": "Mitsubishi",
        "dateUpdated": "2024-08-03T17:45:44.726Z",
        "dateReserved": "2020-12-17T00:00:00",
        "datePublished": "2021-08-06T00:00:00"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior"
                        },
                        {
                            "status": "affected",
                            "version": "Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.</p>"
                        }
                    ],
                    "value": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Exposure of Sensitive Information to an Unauthorized Actor",
                            "lang": "en"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
                "shortName": "Mitsubishi",
                "dateUpdated": "2024-05-24T07:53:21.422Z"
            },
            "references": [
                {
                    "url": "https://jvn.jp/vu/JVNVU98578731/index.html"
                },
                {
                    "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf"
                },
                {
                    "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:45:44.726Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://jvn.jp/vu/JVNVU98578731/index.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}