fkie_cve-2020-27782
Vulnerability from fkie_nvd
Published
2021-02-23 19:15
Modified
2024-11-21 05:21
Summary
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
Impacted products



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "A305F012-544E-4245-9D69-1C8CD37748B1",
              "vulnerable": true
            },
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              "criteria": "cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "B40CCE4F-EA2C-453D-BB76-6388767E5C6D",
              "vulnerable": true
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              "matchCriteriaId": "A33441B3-B301-426C-A976-08CE5FE72EFB",
              "vulnerable": true
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            {
              "criteria": "cpe:2.3:a:redhat:undertow:2.0.33:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "A2CDD487-FEA3-4471-B9F3-A2C24278DBF8",
              "vulnerable": true
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            {
              "criteria": "cpe:2.3:a:redhat:undertow:2.1.5:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "914B537C-9326-49DB-BED4-38203821613D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:redhat:undertow:2.2.3:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "0022DD37-7025-469C-B855-B38D516D2C9B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en el conector AJP de Undertow.\u0026#xa0;Peticiones maliciosas y cierres de conexiones abruptas podr\u00edan ser desencadenadas por un atacante usando cadenas de consulta con caracteres que no cumplen con RFC, resultando en una denegaci\u00f3n de servicio.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema.\u0026#xa0;Esto afecta a Undertow versiones 2.1.5.SP1, 2.0.33.SP2 y 2.2.3.SP1"
    }
  ],
  "id": "CVE-2020-27782",
  "lastModified": "2024-11-21T05:21:49.550",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-23T19:15:13.150",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    }
  ]
}


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