{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-20021"
      ],
      "details": "In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification.",
      "id": "GSD-2016-20021",
      "modified": "2024-01-12T06:02:00.277807Z",
      "schema_version": "1.4.0"
    }
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        "ID": "CVE-2016-20021",
        "STATE": "PUBLIC"
      },
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                    "product_name": "n/a",
                    "version": {
                      "version_data": [
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                          "version_value": "n/a"
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              "vendor_name": "n/a"
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      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
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            "lang": "eng",
            "value": "In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
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        "reference_data": [
          {
            "name": "https://wiki.gentoo.org/wiki/Portage",
            "refsource": "MISC",
            "url": "https://wiki.gentoo.org/wiki/Portage"
          },
          {
            "name": "https://gitweb.gentoo.org/proj/portage.git/tree/NEWS",
            "refsource": "MISC",
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          },
          {
            "name": "https://bugs.gentoo.org/597800",
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            "url": "https://bugs.gentoo.org/597800"
          }
        ]
      }
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                "cpeMatch": [
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                    "criteria": "cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "81332CB9-672C-4676-8772-069B22C5C40F",
                    "versionEndExcluding": "3.0.47",
                    "vulnerable": true
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                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable."
          },
          {
            "lang": "es",
            "value": "En Gentoo Portage anterior a 3.0.47, falta la validaci\u00f3n PGP del c\u00f3digo ejecutado: el emerge-webrsync independiente descarga un archivo .gpgsig pero no realiza la verificaci\u00f3n de firma."
          }
        ],
        "id": "CVE-2016-20021",
        "lastModified": "2024-01-22T16:27:08.217",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
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              "impactScore": 5.9,
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        },
        "published": "2024-01-12T03:15:08.410",
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            "source": "cve@mitre.org",
            "tags": [
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              "Patch"
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          },
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            "tags": [
              "Release Notes"
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}