cve-2021-22955
Vulnerability from cvelistv5
Published
2021-12-07 13:12
Modified
2024-08-03 18:58
Severity ?
Summary
A unauthenticated denial of service vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 when configured as a VPN (Gateway) or AAA virtual server could allow an attacker to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication.
Impacted products
Vendor Product Version
n/a Citrix ADC, Citrix Gateway Version: Citrix ADC 111.1, 2.1, 13.0,13.1
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:58:25.965Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.citrix.com/article/CTX330728"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Citrix ADC, Citrix Gateway",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Citrix ADC 111.1, 2.1, 13.0,13.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A unauthenticated denial of service vulnerability exists in Citrix ADC \u003c13.0-83.27, \u003c12.1-63.22 and 11.1-65.23 when configured as a VPN (Gateway) or AAA virtual server could allow an attacker to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "Denial of Service (CWE-400)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-07T13:12:33",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.citrix.com/article/CTX330728"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2021-22955",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Citrix ADC, Citrix Gateway",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Citrix ADC 111.1, 2.1, 13.0,13.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A unauthenticated denial of service vulnerability exists in Citrix ADC \u003c13.0-83.27, \u003c12.1-63.22 and 11.1-65.23 when configured as a VPN (Gateway) or AAA virtual server could allow an attacker to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service (CWE-400)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.citrix.com/article/CTX330728",
              "refsource": "MISC",
              "url": "https://support.citrix.com/article/CTX330728"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2021-22955",
    "datePublished": "2021-12-07T13:12:33",
    "dateReserved": "2021-01-06T00:00:00",
    "dateUpdated": "2024-08-03T18:58:25.965Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-22955\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2021-12-07T14:15:08.890\",\"lastModified\":\"2024-11-21T05:51:00.833\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A unauthenticated denial of service vulnerability exists in Citrix ADC \u003c13.0-83.27, \u003c12.1-63.22 and 11.1-65.23 when configured as a VPN (Gateway) or AAA virtual server could allow an attacker to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de denegaci\u00f3n de servicio no autenticada en Citrix ADC versiones anteriores a 13.0-83.27, versiones anteriores a 12.1-63.22 y 11.1-65.23 que, cuando es configurado como servidor virtual VPN (Gateway) o AAA, podr\u00eda permitir a un atacante causar una interrupci\u00f3n temporal de la GUI de administraci\u00f3n, la API Nitro y la comunicaci\u00f3n RPC\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"11.1-65.23\",\"matchCriteriaId\":\"609476CC-EB28-4FC2-8035-1C8A0F6F5573\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"12.1\",\"versionEndExcluding\":\"12.1-63.22\",\"matchCriteriaId\":\"C076C750-AC7C-48DD-86B2-EB69FA14467F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"13.0-83.27\",\"matchCriteriaId\":\"C2F3ACE6-B0F6-4E27-9DD8-EFEC98A7ACB4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E69E10-6F40-4FE4-9D84-F6C25EAB79D8\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"11.1-65.23\",\"matchCriteriaId\":\"7C7C2760-C923-4D70-B9BA-9905CBD7A72C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"12.1\",\"versionEndExcluding\":\"12.1-63.22\",\"matchCriteriaId\":\"FEC9E148-82D8-4032-9E30-3A40362FEF29\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"13.0-83.27\",\"matchCriteriaId\":\"0FA42F00-61CF-44DB-9C16-C3EDD3960548\"}]}]}],\"references\":[{\"url\":\"https://support.citrix.com/article/CTX330728\",\"source\":\"support@hackerone.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.citrix.com/article/CTX330728\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.