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CVE-2013-1816

Status: ModifiedHigh (7.5)—

MediaWiki before 1.19.4 and 1.20.x before 1.20.3 allows remote attackers to cause a denial of service (application crash) by sending a specially crafted request.

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 (4)

Debian — Debian LinuxFedoraproject — FedoraMediawiki — MediawikiRedhat — Enterprise Linux

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2013-1816",
  "cveTags": [],
  "metrics": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
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  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "mediawiki",
          "product": "mediawiki",
          "versions": [
            {
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              "version": "1.19.4"
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  ],
  "published": "2019-11-20T20:15:10.937",
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      "source": "secalert@redhat.com"
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    {
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      "source": "secalert@redhat.com"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-20"
        }
      ]
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  ],
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      "lang": "en",
      "value": "MediaWiki before 1.19.4 and 1.20.x before 1.20.3 allows remote attackers to cause a denial of service (application crash) by sending a specially crafted request."
    },
    {
      "lang": "es",
      "value": "MediaWiki versiones anteriores a la versión 1.19.4 y versiones 1.20.x anteriores a 1.20.3, permite a atacantes remotos causar una denegación de servicio (bloqueo de aplicación) mediante el envío de una petición especialmente diseñada."
    }
  ],
  "lastModified": "2026-06-16T23:52:10.590",
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}