CVE-2020-7257 (GCVE-0-2020-7257)

Vulnerability from cvelistv5 – Published: 2020-04-15 12:00 – Updated: 2024-09-16 20:38
VLAI?
Summary
Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.
Severity ?
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
CWE
  • CWE-264 - Permissions, Privileges, and Access Controls
Assigner
References
Impacted products
Vendor Product Version
McAfee LLC McAfee Endpoint Security (ENS) Affected: 10.x , < 10.7.0 April 2020 Update (custom)
Create a notification for this product.
Credits
McAfee  credits  Jakub  Palaczynski  (ING Tech Poland) for reporting this flaw
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:25:48.988Z",
          "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=SB10309"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "McAfee Endpoint Security (ENS)",
          "vendor": "McAfee LLC",
          "versions": [
            {
              "lessThan": "10.7.0 April 2020 Update",
              "status": "affected",
              "version": "10.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "McAfee \u202fcredits \u202fJakub \u202fPalaczynski \u202f(ING Tech Poland) for reporting this flaw"
        }
      ],
      "datePublic": "2020-04-14T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-264",
              "description": "CWE-264 Permissions, Privileges, and Access Controls",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-15T12:00:19",
        "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
        "shortName": "trellix"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Privilege Escalation vulnerability through Symbolic links in ENS",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@mcafee.com",
          "DATE_PUBLIC": "2020-04-14T00:00:00.000Z",
          "ID": "CVE-2020-7257",
          "STATE": "PUBLIC",
          "TITLE": "Privilege Escalation vulnerability through Symbolic links in ENS"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "McAfee Endpoint Security (ENS)",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "10.x",
                            "version_value": "10.7.0 April 2020 Update"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "McAfee LLC"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "McAfee \u202fcredits \u202fJakub \u202fPalaczynski \u202f(ING Tech Poland) for reporting this flaw"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-264 Permissions, Privileges, and Access Controls"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309",
              "refsource": "CONFIRM",
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
    "assignerShortName": "trellix",
    "cveId": "CVE-2020-7257",
    "datePublished": "2020-04-15T12:00:19.206812Z",
    "dateReserved": "2020-01-21T00:00:00",
    "dateUpdated": "2024-09-16T20:38:08.253Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.5.0:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"6AC514CA-D094-433D-9561-99048D43902F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.5.1:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"1B7AE3E9-DDCE-4119-B57D-B3D471E05B16\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.5.2:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"603FE358-FADA-4FE6-B3F2-169D032A57E9\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.5.3:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"66461D42-AE21-41B3-9FCB-3F6D09AC323E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.5.4:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"DCC441CF-5EA0-41C1-AE15-6672FF20B73A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.5.5:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"A6551AB4-1B0F-4EE3-8ED1-99413E3F19DD\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mcafee:endpoint_security:10.6.0:*:*:*:*:windows:*:*\", \"matchCriteriaId\": \"94732038-F35D-41AB-A550-E6F5FF9004DF\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de escalada de privilegios en McAfee Endpoint Security (ENS) para Windows versi\\u00f3n anterior a 10.7.0 Update de Febrero de 2020, permite a usuarios locales causar la eliminaci\\u00f3n y  creaci\\u00f3n de archivos para los que normalmente no tendr\\u00edan permiso al alterar el objetivo de los enlaces simb\\u00f3licos mientras un escaneo de antivirus estaba en progreso. Esto depende de la sincronizaci\\u00f3n.\"}]",
      "id": "CVE-2020-7257",
      "lastModified": "2024-11-21T05:36:56.437",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"trellixpsirt@trellix.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H\", \"baseScore\": 8.4, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.0, \"impactScore\": 5.8}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.0, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:M/Au:N/C:N/I:P/A:P\", \"baseScore\": 3.3, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 3.4, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-04-15T12:15:11.917",
      "references": "[{\"url\": \"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309\", \"source\": \"trellixpsirt@trellix.com\"}, {\"url\": \"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "trellixpsirt@trellix.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"trellixpsirt@trellix.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-264\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-269\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-7257\",\"sourceIdentifier\":\"trellixpsirt@trellix.com\",\"published\":\"2020-04-15T12:15:11.917\",\"lastModified\":\"2024-11-21T05:36:56.437\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de escalada de privilegios en McAfee Endpoint Security (ENS) para Windows versi\u00f3n anterior a 10.7.0 Update de Febrero de 2020, permite a usuarios locales causar la eliminaci\u00f3n y  creaci\u00f3n de archivos para los que normalmente no tendr\u00edan permiso al alterar el objetivo de los enlaces simb\u00f3licos mientras un escaneo de antivirus estaba en progreso. Esto depende de la sincronizaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"trellixpsirt@trellix.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.0,\"impactScore\":5.8},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:N/I:P/A:P\",\"baseScore\":3.3,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.4,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"trellixpsirt@trellix.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.5.0:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"6AC514CA-D094-433D-9561-99048D43902F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.5.1:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"1B7AE3E9-DDCE-4119-B57D-B3D471E05B16\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.5.2:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"603FE358-FADA-4FE6-B3F2-169D032A57E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.5.3:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"66461D42-AE21-41B3-9FCB-3F6D09AC323E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.5.4:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"DCC441CF-5EA0-41C1-AE15-6672FF20B73A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.5.5:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"A6551AB4-1B0F-4EE3-8ED1-99413E3F19DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mcafee:endpoint_security:10.6.0:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"94732038-F35D-41AB-A550-E6F5FF9004DF\"}]}]}],\"references\":[{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309\",\"source\":\"trellixpsirt@trellix.com\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • 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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



Detection rules are retrieved from Rulezet.