FKIE_CVE-2020-8189

Vulnerability from fkie_nvd - Published: 2020-08-21 21:15 - Updated: 2024-11-21 05:38
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.
References
support@hackerone.comhttps://hackerone.com/reports/685552Exploit, Third Party Advisory
support@hackerone.comhttps://nextcloud.com/security/advisory/?id=NC-SA-2020-027Broken Link, Vendor Advisory
support@hackerone.comhttps://security.gentoo.org/glsa/202009-09Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/685552Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://nextcloud.com/security/advisory/?id=NC-SA-2020-027Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202009-09Third Party Advisory
Impacted products
Vendor Product Version
nextcloud desktop *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "032BCD9E-159A-4BB1-BCE6-0E405BA6F6C4",
              "versionEndExcluding": "2.6.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt."
    },
    {
      "lang": "es",
      "value": "Un error de tipo cross-site scripting en el cliente de Nextcloud Desktop versi\u00f3n 2.6.4, permiti\u00f3 presentar cualquier html (incluyendo los enlaces locales) al responder con datos no v\u00e1lidos en el intento de inicio de sesi\u00f3n."
    }
  ],
  "id": "CVE-2020-8189",
  "lastModified": "2024-11-21T05:38:28.087",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "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": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-08-21T21:15:11.887",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/685552"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202009-09"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/685552"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202009-09"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "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.
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  • 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.


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