« Volver al listado

CVE-2021-20802

Estado: ModificadaMedia (5.3)—

HTTP header injection vulnerability in Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to alter the information stored in the product.

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)

Cybozu — Remote Service Manager

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20802",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Cybozu, Inc.",
          "product": "Cybozu Remote Service",
          "versions": [
            {
              "status": "affected",
              "version": "3.1.8 to 3.1.9"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-13T09:15:08.010",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN52694228/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://kb.cybozu.support/article/37428",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN52694228/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://kb.cybozu.support/article/37428",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "HTTP header injection vulnerability in Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to alter the information stored in the product."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de inyección del encabezado HTTP en Cybozu Remote Service versiones 3.1.8 hasta 3.1.9 permite a un atacante remoto alterar la información almacenada en el producto"
    }
  ],
  "lastModified": "2026-06-17T03:34:28.570",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cybozu:remote_service_manager:3.1.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B9219597-06C9-4D4C-A5CB-C5B8CDB0C2C8"
            },
            {
              "criteria": "cpe:2.3:a:cybozu:remote_service_manager:3.1.9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2DEC9D57-563E-4C78-83C3-967ACED941CD"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}