FKIE_CVE-2020-5195

Vulnerability from fkie_nvd - Published: 2020-01-13 18:15 - Updated: 2024-11-21 05:33
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Reflected XSS through an IMG element in Cerberus FTP Server prior to versions 11.0.1 and 10.0.17 allows a remote attacker to execute arbitrary JavaScript or HTML via a crafted public folder URL. This occurs because of the folder_up.png IMG element not properly sanitizing user-inserted directory paths. The path modification must be done on a publicly shared folder for a remote attacker to insert arbitrary JavaScript or HTML. The vulnerability impacts anyone who clicks the malicious link crafted by the attacker.
References
cve@mitre.orghttps://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsRelease Notes, Vendor Advisory
cve@mitre.orghttps://www.cerberusftp.com/xss-vulnerability-in-public-shares-fixed-in-cerberus-ftp-server-version-11-0-1-and-10-0-17/Vendor Advisory
cve@mitre.orghttps://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.cerberusftp.com/xss-vulnerability-in-public-shares-fixed-in-cerberus-ftp-server-version-11-0-1-and-10-0-17/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesThird Party Advisory
Impacted products
Vendor Product Version
cerberusftp ftp_server *
cerberusftp ftp_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cerberusftp:ftp_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "FBC018FC-3D59-403D-AB6E-89FDEF722413",
              "versionEndExcluding": "10.0.17",
              "versionStartIncluding": "10.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cerberusftp:ftp_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "DDFA80FF-1314-4934-A78A-FED05D1894F8",
              "versionEndExcluding": "11.0.1",
              "versionStartIncluding": "11.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Reflected XSS through an IMG element in Cerberus FTP Server prior to versions 11.0.1 and 10.0.17 allows a remote attacker to execute arbitrary JavaScript or HTML via a crafted public folder URL. This occurs because of the folder_up.png IMG element not properly sanitizing user-inserted directory paths. The path modification must be done on a publicly shared folder for a remote attacker to insert arbitrary JavaScript or HTML. The vulnerability impacts anyone who clicks the malicious link crafted by the attacker."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo XSS Reflejado por medio de un elemento IMG en Cerberus FTP Server versiones anteriores a la versi\u00f3n 11.0.1 y 10.0.17, permite a un atacante remoto ejecutar JavaScript o HTML arbitrario por medio de una URL de carpeta p\u00fablica especialmente dise\u00f1ada. Esto se produce debido a que el elemento  IMG folder_up.png no sanea apropiadamente las rutas de directorio insertadas por el usuario. La modificaci\u00f3n de ruta debe hacerse en una carpeta compartida p\u00fablicamente para que un atacante remoto inserte JavaScript o HTML arbitrario. La vulnerabilidad impacta a cualquiera que haga clic en el enlace malicioso creado por parte del atacante."
    }
  ],
  "id": "CVE-2020-5195",
  "lastModified": "2024-11-21T05:33:39.490",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-01-13T18:15:14.610",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-Announcements"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.cerberusftp.com/xss-vulnerability-in-public-shares-fixed-in-cerberus-ftp-server-version-11-0-1-and-10-0-17/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilities"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-Announcements"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.cerberusftp.com/xss-vulnerability-in-public-shares-fixed-in-cerberus-ftp-server-version-11-0-1-and-10-0-17/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilities"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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


Detection rules are retrieved from Rulezet.