FKIE_CVE-2021-20797

Vulnerability from fkie_nvd - Published: 2021-10-13 09:15 - Updated: 2026-06-17 03:34
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Cross-site script inclusion vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to obtain the information stored in the product. This issue occurs only when using Mozilla Firefox.
References
vultures@jpcert.or.jphttps://jvn.jp/en/jp/JVN52694228/index.htmlThird Party Advisory
vultures@jpcert.or.jphttps://kb.cybozu.support/article/37429Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN52694228/index.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.cybozu.support/article/37429Vendor Advisory
Impacted products
Vendor Product Version
cybozu remote_service_manager 3.1.8
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Cybozu Remote Service",
          "vendor": "Cybozu, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "3.1.8"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cybozu:remote_service_manager:3.1.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "B9219597-06C9-4D4C-A5CB-C5B8CDB0C2C8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site script inclusion vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to obtain the information stored in the product. This issue occurs only when using Mozilla Firefox."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de inclusi\u00f3n de Cross-site script en la pantalla de administraci\u00f3n de Cybozu Remote Service versi\u00f3n 3.1.8, permite a un atacante remoto autenticado conseguir la informaci\u00f3n almacenada en el producto. Este problema s\u00f3lo se produce cuando es usado Mozilla Firefox"
    }
  ],
  "id": "CVE-2021-20797",
  "lastModified": "2026-06-17T03:34:28.073",
  "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": "2021-10-13T09:15:07.807",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN52694228/index.html"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.cybozu.support/article/37429"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN52694228/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.cybozu.support/article/37429"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

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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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