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CVE-2021-38377

Estado: ModificadaMedia (6.1)—

OX App Suite through 7.10.5 allows XSS via JavaScript code in an anchor HTML comment within truncated e-mail, because there is a predictable UUID with HTML transformation results.

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)

Open-xchange — OX APP Suite

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-38377",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-11-22T09:15:07.530",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/165038/OX-App-Suite-7.10.5-Cross-Site-Scripting-Information-Disclosure.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://seclists.org/fulldisclosure/2021/Nov/43",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.open-xchange.com",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/165038/OX-App-Suite-7.10.5-Cross-Site-Scripting-Information-Disclosure.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://seclists.org/fulldisclosure/2021/Nov/43",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.open-xchange.com",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OX App Suite through 7.10.5 allows XSS via JavaScript code in an anchor HTML comment within truncated e-mail, because there is a predictable UUID with HTML transformation results."
    },
    {
      "lang": "es",
      "value": "OX App Suite versiones hasta 7.10.5, permite un ataque de tipo XSS por medio de código JavaScript en un comentario HTML de anclaje dentro de un correo electrónico truncado, porque se presenta un UUID predecible con resultados de transformación HTML"
    }
  ],
  "lastModified": "2026-06-17T04:01:58.793",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:open-xchange:ox_app_suite:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A8BB4AF8-37F6-4554-A677-56C9C4BA51E0",
              "versionEndIncluding": "7.10.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}