{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:25.523Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Octopus Server",
          "vendor": "Octopus Deploy",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "0.9",
              "versionType": "custom"
            },
            {
              "lessThan": "2020.4.229",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "2020.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2020.5.256",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Local privilege escalation in Octopus Server (Windows)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-07T01:00:12",
        "orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272",
        "shortName": "Octopus"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@octopus.com",
          "ID": "CVE-2021-26556",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Octopus Server",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "0.9"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "2020.4.229"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "2020.5.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "2020.5.256"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Octopus Deploy"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Local privilege escalation in Octopus Server (Windows)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html",
              "refsource": "MISC",
              "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272",
    "assignerShortName": "Octopus",
    "cveId": "CVE-2021-26556",
    "datePublished": "2021-10-07T01:00:12",
    "dateReserved": "2021-02-02T00:00:00",
    "dateUpdated": "2024-08-03T20:26:25.523Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-26556\",\"sourceIdentifier\":\"security@octopus.com\",\"published\":\"2021-10-07T01:15:07.010\",\"lastModified\":\"2023-11-07T03:31:45.660\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.\"},{\"lang\":\"es\",\"value\":\"Cuando Octopus Server se instala usando una ubicaci\u00f3n de carpeta personalizada, las ACL de carpeta no se establecen correctamente y podr\u00edan conllevar a que un usuario no privilegiado use una carga lateral de DLL para conseguir acceso privilegiado\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:P/I:P/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.4},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-426\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:octopus:octopus_deploy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.9\",\"versionEndExcluding\":\"2020.4.229\",\"matchCriteriaId\":\"BB1A49F9-06B0-435A-9A46-4BF727C4DE03\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2020.5.0\",\"versionEndExcluding\":\"2020.5.256\",\"matchCriteriaId\":\"EF275C0A-3A31-4751-9C65-CEC4B22CB6EC\"}]}]}],\"references\":[{\"url\":\"https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html\",\"source\":\"security@octopus.com\"}]}}"
  }
}