{
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
                "shortName": "siemens",
                "dateUpdated": "2025-03-11T09:47:43.750Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). When processing a DHCP ACK message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0013)"
                }
            ],
            "affected": [
                {
                    "vendor": "Siemens",
                    "product": "Capital Embedded AR Classic 431-422",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "*",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "Capital Embedded AR Classic R20-11",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "V2303",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-119",
                            "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf"
                },
                {
                    "url": "https://cert-portal.siemens.com/productcert/html/ssa-114589.html"
                },
                {
                    "url": "https://cert-portal.siemens.com/productcert/html/ssa-044112.html"
                },
                {
                    "url": "https://cert-portal.siemens.com/productcert/html/ssa-620288.html"
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T23:10:30.182Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "assignerShortName": "siemens",
        "cveId": "CVE-2021-31883",
        "datePublished": "2021-11-09T11:31:56.000Z",
        "dateReserved": "2021-04-29T00:00:00.000Z",
        "dateUpdated": "2025-03-11T09:47:43.750Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}