{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-21439",
        "assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
        "assignerShortName": "OTRS",
        "dateUpdated": "2024-09-16T19:52:22.948Z",
        "dateReserved": "2020-12-29T00:00:00",
        "datePublished": "2021-06-14T07:55:10.080008Z"
    },
    "containers": {
        "cna": {
            "title": "Possible DoS attack using a special crafted URL in email body",
            "datePublic": "2021-06-14T00:00:00",
            "providerMetadata": {
                "orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
                "shortName": "OTRS",
                "dateUpdated": "2023-08-31T02:06:20.978358"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions."
                }
            ],
            "affected": [
                {
                    "vendor": "OTRS AG",
                    "product": "((OTRS)) Community Edition",
                    "versions": [
                        {
                            "version": "6.0.1",
                            "status": "affected",
                            "lessThan": "6.0.x*",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "vendor": "OTRS AG",
                    "product": "OTRS",
                    "versions": [
                        {
                            "version": "7.0.x",
                            "status": "affected",
                            "lessThanOrEqual": "7.0.26",
                            "versionType": "custom"
                        },
                        {
                            "version": "8.0.x",
                            "status": "affected",
                            "lessThanOrEqual": "8.0.13",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-09/"
                },
                {
                    "name": "[debian-lts-announce] 20230831 [SECURITY] [DLA 3551-1] otrs2 security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
                            "cweId": "CWE-754"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "advisory": "OSA-2021-09",
                "defect": [
                    "2021031142000285"
                ],
                "discovery": "USER"
            },
            "solutions": [
                {
                    "lang": "en",
                    "value": "Update to OTRS 8.0.14 or OTRS 7.0.27."
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T18:16:22.212Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-09/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[debian-lts-announce] 20230831 [SECURITY] [DLA 3551-1] otrs2 security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html"
                    }
                ]
            }
        ]
    }
}