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CVE-2021-20790

Estado: ModificadaCrítica (9.6)—

Improper control of program execution vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to execute an arbitrary command or code via unspecified vectors.

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)

Jscom — Revoworks Browser

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20790",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "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": 9.6,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "J’s Communication Co., Ltd.",
          "product": "RevoWorks Browser",
          "versions": [
            {
              "status": "affected",
              "version": "2.1.230 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-17T02:15:06.837",
  "references": [
    {
      "url": "https://jscom.jp/news-20210910_2/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN81658818/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jscom.jp/news-20210910_2/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN81658818/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper control of program execution vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to execute an arbitrary command or code via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control inapropiado de la ejecución de programas en RevoWorks Browser versión 2.1.230 y anteriores, permite a un atacante ejecutar un comando o código arbitrario por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:34:27.467",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jscom:revoworks_browser:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F0FD279B-E286-4521-AF7D-0F0EDC2193E0",
              "versionEndIncluding": "2.1.230",
              "versionStartIncluding": "2.1.197"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}