FKIE_CVE-2021-40797

Vulnerability from fkie_nvd - Published: 2021-09-08 20:15 - Updated: 2024-11-21 06:24
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/09/09/2Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://launchpad.net/bugs/1942179Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://security.openstack.org/ossa/OSSA-2021-006.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/09/2Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://launchpad.net/bugs/1942179Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.openstack.org/ossa/OSSA-2021-006.htmlPatch, Vendor Advisory
Impacted products
Vendor Product Version
openstack neutron *
openstack neutron *
openstack neutron *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "19960486-0F45-4640-AC10-CC48A25F8309",
              "versionEndExcluding": "16.4.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "40F9ACA3-317B-4357-8AA9-6A17C51366AF",
              "versionEndExcluding": "17.2.1",
              "versionStartIncluding": "17.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "23BDD30E-92DC-4C8E-BEA0-AF38D68BD806",
              "versionEndExcluding": "18.1.1",
              "versionStartIncluding": "18.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en el middleware de rutas en OpenStack Neutron versiones anteriores a 16.4.1, 17.x versiones anteriores a 17.2.1 y 18.x versiones anteriores a 18.1.1. Al llevar a cabo peticiones a la API que implican a controladores no existentes, un usuario autenticado puede causar que el trabajador de la API consuma cantidades crecientes de memoria, resultando en una degradaci\u00f3n del rendimiento de la API o una denegaci\u00f3n de servicio"
    }
  ],
  "id": "CVE-2021-40797",
  "lastModified": "2024-11-21T06:24:49.247",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "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": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-08T20:15:11.060",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/09/09/2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://launchpad.net/bugs/1942179"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://security.openstack.org/ossa/OSSA-2021-006.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/09/09/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://launchpad.net/bugs/1942179"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://security.openstack.org/ossa/OSSA-2021-006.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-772"
        }
      ],
      "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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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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