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CVE-2020-35769

Status: ModifiedCritical (9.8)—

miniserv.pl in Webmin 1.962 on Windows mishandles special characters in query arguments to the CGI program.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Webmin — Webmin

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-35769",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2020-12-29T06:15:13.773",
  "references": [
    {
      "url": "https://github.com/webmin/webmin/commit/1163f3a7f418f249af64890f4636575e687e9de7#diff-9b33fd8f5603d4f0d1428689bc36f24af4770608a22c0d92b7a8bcc522450dc6",
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://vigilance.fr/vulnerability/Webmin-code-execution-via-miniserv-pl-handle-request-34220",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/webmin/webmin/commit/1163f3a7f418f249af64890f4636575e687e9de7#diff-9b33fd8f5603d4f0d1428689bc36f24af4770608a22c0d92b7a8bcc522450dc6",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://vigilance.fr/vulnerability/Webmin-code-execution-via-miniserv-pl-handle-request-34220",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "miniserv.pl in Webmin 1.962 on Windows mishandles special characters in query arguments to the CGI program."
    },
    {
      "lang": "es",
      "value": "El archivo miniserv.pl en Webmin versión 1.962 en Windows, maneja inapropiadamente unos caracteres especiales en los argumentos de consulta para el programa CGI"
    }
  ],
  "lastModified": "2026-06-17T03:14:15.943",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "cve@mitre.org"
}