FKIE_CVE-2021-26556

Vulnerability from fkie_nvd - Published: 2021-10-07 01:15 - Updated: 2024-11-21 05:56
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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.
References
security@octopus.comhttps://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html
af854a3a-2127-422b-91ae-364da2661108https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html
Impacted products
Vendor Product Version
octopus octopus_deploy *
octopus octopus_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:octopus:octopus_deploy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BB1A49F9-06B0-435A-9A46-4BF727C4DE03",
              "versionEndExcluding": "2020.4.229",
              "versionStartIncluding": "0.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EF275C0A-3A31-4751-9C65-CEC4B22CB6EC",
              "versionEndExcluding": "2020.5.256",
              "versionStartIncluding": "2020.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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"
    }
  ],
  "id": "CVE-2021-26556",
  "lastModified": "2024-11-21T05:56:27.703",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-10-07T01:15:07.010",
  "references": [
    {
      "source": "security@octopus.com",
      "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html"
    }
  ],
  "sourceIdentifier": "security@octopus.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-426"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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