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CVE-2021-35231

Estado: ModificadaMedia (6.7)—

As a result of an unquoted service path vulnerability present in the Kiwi Syslog Server Installation Wizard, a local attacker could gain escalated privileges by inserting an executable into the path of the affected service or uninstall entry. Example vulnerable path: "Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Kiwi Syslog Server\Parameters\Application".

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Solarwinds — Kiwi Syslog Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-35231",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@solarwinds.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@solarwinds.com",
      "affectedData": [
        {
          "vendor": "SolarWinds",
          "product": "Kiwi Syslog Server",
          "versions": [
            {
              "status": "affected",
              "version": "9.7.2 and previous versions",
              "lessThan": "9.8",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-25T13:15:07.893",
  "references": [
    {
      "url": "https://documentation.solarwinds.com/en/success_center/kss/content/release_notes/kss_9-8_release_notes.htm",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "psirt@solarwinds.com"
    },
    {
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35231",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@solarwinds.com"
    },
    {
      "url": "https://documentation.solarwinds.com/en/success_center/kss/content/release_notes/kss_9-8_release_notes.htm",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35231",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@solarwinds.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-428"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-428"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "As a result of an unquoted service path vulnerability present in the Kiwi Syslog Server Installation Wizard, a local attacker could gain escalated privileges by inserting an executable into the path of the affected service or uninstall entry. Example vulnerable path: \"Computer\\HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Services\\Kiwi Syslog Server\\Parameters\\Application\"."
    },
    {
      "lang": "es",
      "value": "Como resultado de una vulnerabilidad de ruta de servicio no citada presente en Kiwi Syslog Server Installation Wizard, un atacante local podría alcanzar privilegios escalados al insertar un ejecutable en la ruta del servicio afectado o en la entrada de desinstalación. Ejemplo de ruta vulnerable: \"Computer\\HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Services\\Kiwi Syslog Server\\Parameters\\Application\""
    }
  ],
  "lastModified": "2026-06-17T03:57:20.860",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:solarwinds:kiwi_syslog_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "20B34DD1-220E-4311-922F-53D16FCD6200",
              "versionEndExcluding": "9.8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@solarwinds.com"
}