CVE-2021-31842 (GCVE-0-2021-31842)
Vulnerability from cvelistv5
Published
2021-09-17 13:35
Modified
2024-08-03 23:10
CWE
  • CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Summary
XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.
Impacted products
Vendor Product Version
McAfee,LLC McAfee Endpoint Security (ENS) for WIndows Version: unspecified   < 10.7.0 September 2021 Update
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:10:30.765Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "McAfee Endpoint Security (ENS) for WIndows",
          "vendor": "McAfee,LLC",
          "versions": [
            {
              "lessThan": "10.7.0 September 2021 Update",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-776",
              "description": "CWE-776: Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-17T13:35:12",
        "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
        "shortName": "trellix"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@mcafee.com",
          "ID": "CVE-2021-31842",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "McAfee Endpoint Security (ENS) for WIndows",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "10.7.0 September 2021 Update"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "McAfee,LLC"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-776: Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367",
              "refsource": "CONFIRM",
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
    "assignerShortName": "trellix",
    "cveId": "CVE-2021-31842",
    "datePublished": "2021-09-17T13:35:12",
    "dateReserved": "2021-04-27T00:00:00",
    "dateUpdated": "2024-08-03T23:10:30.765Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-31842\",\"sourceIdentifier\":\"trellixpsirt@trellix.com\",\"published\":\"2021-09-17T14:15:08.097\",\"lastModified\":\"2024-11-21T06:06:20.300\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de tipo XML Entity Expansion injection en McAfee Endpoint Security (ENS) para Windows versiones anteriores a la actualizaci\u00f3n 10.7.0 de septiembre de 2021, permite a un usuario local iniciar un elevado consumo de CPU y memoria resultando en un ataque de denegaci\u00f3n de servicio mediante la edici\u00f3n cuidadosa del archivo EPDeploy.xml y la posterior ejecuci\u00f3n del proceso de instalaci\u00f3n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"trellixpsirt@trellix.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H\",\"baseScore\":5.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.3,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"trellixpsirt@trellix.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-776\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-776\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*\",\"versionEndExcluding\":\"10.7.0\",\"matchCriteriaId\":\"CA4CEE25-A297-4D69-8CF8-5425875B206A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2020:*:*:*:windows:*:*\",\"matchCriteriaId\":\"A1D86327-CEF4-4906-AE46-29CB79773529\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2021:*:*:*:windows:*:*\",\"matchCriteriaId\":\"775B5D3E-B29C-41DD-BD36-5E0D226572A2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2020:*:*:*:windows:*:*\",\"matchCriteriaId\":\"6243F2C9-35EA-46A9-B48E-F2EB23D9376F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2021:*:*:*:windows:*:*\",\"matchCriteriaId\":\"E11E0370-8170-4AEA-9DE0-B27D5E5F56AF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:july_2020:*:*:*:windows:*:*\",\"matchCriteriaId\":\"2BA52931-828B-4FC9-BB2F-B40180379342\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:june_2021:*:*:*:windows:*:*\",\"matchCriteriaId\":\"58FF0D83-3119-4EA4-9BDB-F744AE12E7EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:november_2020:*:*:*:windows:*:*\",\"matchCriteriaId\":\"B8F298BE-99AF-4C66-B852-A4EF7734E76F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.7.0:september_2020:*:*:*:windows:*:*\",\"matchCriteriaId\":\"6FE691D2-B7ED-48D9-8AE2-9711B35D2D35\"}]}]}],\"references\":[{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367\",\"source\":\"trellixpsirt@trellix.com\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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.


Loading…

Loading…