FKIE_CVE-2021-33175

Vulnerability from fkie_nvd - Published: 2021-06-08 15:15 - Updated: 2024-11-21 06:08
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system.
References
disclosure@synopsys.comhttps://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemqPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemqPatch, Third Party Advisory
Impacted products
Vendor Product Version
emqx emq_x_broker *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:emqx:emq_x_broker:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A8F29473-EDF2-4781-8187-9FE19377125B",
              "versionEndExcluding": "4.2.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system."
    },
    {
      "lang": "es",
      "value": "EMQ X Broker versiones anteriores a 4.2.8, son vulnerables a un ataque de denegaci\u00f3n de servicio como resultado del consumo excesivo de memoria debido al manejo de entradas no confiables. Estas entradas causan que el broker de mensajes consuma grandes cantidades de memoria, resultando en que la aplicaci\u00f3n sea terminada por el sistema operativo"
    }
  ],
  "id": "CVE-2021-33175",
  "lastModified": "2024-11-21T06:08:27.247",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "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": "2021-06-08T15:15:07.900",
  "references": [
    {
      "source": "disclosure@synopsys.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"
    }
  ],
  "sourceIdentifier": "disclosure@synopsys.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "disclosure@synopsys.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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